Using scilab solve this i need codes
The below represents a system of linear equations:
1 = x+3y-z15 = y-4z44 = 3x+9y
Find the result of the following:
Define a matrix named "A" and let this be the Coefficient matrix
Define a matrix named "B" and let this be the results matrix
Using the appropriate scilab function find the determinate of this system and hence deduce if this system is solvable
Store the results in matrix named "Results"
Part 2: (20 points)
Given the following matrix do the following:
A = 10 1317-9928-771527
Define the matrix A in scilab
Using for loops and if statements, make a program that would go through the matrix and change any value that is less than 27 and make it equal to 28

Answers

Answer 1

Part 1:scilab:-->For the given linear equation: 1 = x+3y-z15 = y-4z44 = 3x+9y

Define a matrix named "A" and let this be the Coefficient matrix A = [1, 3, -1; 0, 1, -4; 3, 9, 0]

Define a matrix named "B" and let this be the results matrix

B = [1; 15; 44]

Using the appropriate scilab function find the determinate of this system and hence deduce if this system is solvable. The determinate of the matrix "A" can be calculated by using the "det()" function of scilab. The scilab function for determinate is "det()"

Results = det(A)The value of determinate is 36, so the system is solvable.  Store the results in matrix named "Results"

Part 2:Here is the solution to the given problem using scilab:

-->Given the matrix A: 10 1317-9928-771527 Define the matrix A in scilab A = [10, 13; 17, -99; 28, -77; 15, 27]Using for loops and if statements, make a program that would go through the matrix and change any value that is less than 27 and make it equal to 28.M = size(A)for i = 1:M(1,1)  for j = 1:M(1,2)    if A(i,j) < 27      A(i,j) = 28;    end  endend

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Related Questions

An optical system consists of 15 air-glass interfaces (lenses, prisms, beam splitters, etc.). The glass used has an index of refraction of n=1.5. (a) Assuming absorption can be neglected, what is the total transmission of the system? (b) If the reflectivity at each interface is reduced to 1% (R=0.01) what is the total transmission of the 15 air-glass system?

Answers

An optical system consists of 15 air-glass interfaces (lenses, prisms, beam splitters, etc.). The glass used has an index of refraction of n=1.5, the total transmission of the system is 100% or 1. The total transmission of the 15 air-glass system is 0.8607 or 86.07%.

a. 

T = (1 - R[tex])^n[/tex],

where T is the total transmission, R is the reflectivity at each interface, and n is the number of interfaces.

In this case, n = 15 and R = 0 (since absorption is neglected).

Therefore, the total transmission is:

T = (1 - 0[tex])^1^5[/tex] = [tex]1^1^5[/tex] = 1.

So, the total transmission of the system is 100% or 1.

b.

T = (1 - R[tex])^n[/tex],

where T =total transmission,

R= reflectivity at each interface, and

n = number of interfaces.

In this case, n = 15 and R = 0.01.

After putting the values in formula,

T = (1 - 0.0[tex]1)^1^5[/tex] = 0.9[tex]9^1^5[/tex] = 0.8607.

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A 50 Hz synchronous generator with H constant of 7 MJ/MVA is operating with the following power-angle equation. At the operating condition, the generator experiences 0.9 Hz oscillation for small disturbance. Calculate the operating power angle. If a three-phase fault occurs at the sending end bus bar of the transmission line, calculate the critical clearing angle. Pe = 2 sin 8 (10 marks)

Answers

The operating power angle is calculated as 18.7°.The critical clearing angle is calculated as 61.4°.

Given,H constant of 7 MJ/MVAf = 50 HzPe = 2 sin 8The operating power angle (δ) can be calculated using the given equation.δ = sin⁻¹ [(Pe) / (E × Vg)]whereE = √ [(Vr - E' sin δ)² + (E' cos δ)²]Vg = Vr / (Xd)X = (Xd)² / (Xq + (Xd)')For X = 1.6, Xd = 1.8, Xq = 1.6 and Xd' = 0.2.δ = sin⁻¹ [(Pe) / (E × Vg)] = sin⁻¹ [(2 sin 8) / (0.9 × 1.6)] = 18.7°The critical clearing angle (δ_c) can be calculated using the equation.δ_c = cos⁻¹ [(E × Vg) / (2 × Vr × Im)]where Im is the transient current of the generator at the time of fault.At 0.9 Hz, the time period is 1/0.9 = 1.111 seconds. Transient current, Im = E' / (Xq) = 0.875 per unitVr = 1 pu and Xq = 1.6 puδ_c = cos⁻¹ [(E × Vg) / (2 × Vr × Im)] = cos⁻¹ [(0.9 × 1.6) / (2 × 1 × 0.875)] = 61.4°Therefore, the operating power angle is 18.7°, and the critical clearing angle is 61.4°.

The operating power angle is calculated as 18.7°. The critical clearing angle is calculated as 61.4°.

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Consider the following floating-point numbers in decimal: a = 125 x 10-³; b = 2.2 × 10³; c = 0.000625 × 10² a) Fill the following table by computing the required floating-point operations. a+b b-c axb a/c b) Fill the following table by converting the resulting floating-point numbers into binary: a+b b-c axb a/c c) For the following floating-point instruction: add.s $f1, $f2, $f3. Assume that the values of $12, $f3 are a and b. What are the values (in binary) in $f2, $f3 and $fl after executing this instruction? d) For the following floating-point instruction: add.d $f2, $f4, $f6. Assume that the values of a and b in the pairs ($f4 and $f6) and ($f8 and $f10). What are the values (in binary) in the registers that hold the inputs and output of this instruction?

Answers

a) The following table will be filled by computing the required floating-point operations:

The following are the steps for solving the floating point operations:

For a + b:125 × 10^-3 = 0.125 and 2.2 × 10^3 = 2200 then, a + b = 2200.125

For b - c: 0.000625 × 10² = 0.0625 and 2.2 × 10^3 = 2200 then, b - c = 2199.9375For a × b:125 × 10^-3 = 0.125 and 2.2 × 10^3 = 2200 then, a × b = 275.0000For a/c:125 × 10^-3 = 0.125 and 0.000625 × 10² = 0.0625 then, a/c = 2.0000

b) The following table will be filled by converting the resulting floating-point numbers into binary: 

For a + b: 2200.125 = 100010010100.001

For b - c: 2199.9375 = 100010010011.111

For a × b: 275.0000 = 100010011.0000000000For a/c: 2.0000 = 10.0000000000c) For the following floating-point instruction: add.

s $f1, $f2, $f3. Assume that the values of $f2, and $f3 are a and b.

What are the values (in binary) in $f2, $f3, and $fl after executing this instruction?

$d=f2 + f3 $ = a + b In this case, add $f2 and $f3 values and store the result in $f1. Let us consider the values of $f2, $f3 to be a and b, then the resulting value in $f1 will be the sum of these two values. The given instruction is added.s $f1, $f2, $f3. Hence, after executing the instruction, the value in $f1 will be (a+b).

d) For the following floating-point instruction: add.

d $f2, $f4, $f6. Assume that the values of a and b in the pairs ($f4 and $f6) and ($f8 and $f10).

What are the values (in binary) in the registers that hold the inputs and output of this instruction?

The given instruction is added.

d $f2, $f4, $f6.In this case, add the values of $f4 and $f6 and store the result in $f2. Let us consider the values of $f4, and $f6 to be a and b, then the resulting value in $f2 will be the sum of these two values.

The value in $f4 is a, and the value in $f6 is b, then the value in $f2 after executing the instruction will be (a + b).

So, the value in $f2 after executing the instruction = (a + b)

The given instruction is added.

d $f2, $f4, $f6. Hence, the values of $f4, $f6, and $f2 will be a, b, and (a+b) in binary after executing this instruction.

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Web storage stores data in the browser in the form of arrays strings key/value pairs session Previous Quz saved at 110pm

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Web storage is a modern way to store data in the browser in the form of arrays, strings, key/value pairs, and session. There are two types of web storage- Local Storage and Session Storage. Local Storage data is not cleared until the user manually deletes it from the browser. Whereas Session Storage data is cleared as soon as the session ends.

Web Storage is one of the significant features of HTML5. It allows web pages to store data locally in the browser's storage. Web Storage has a large amount of storage capacity. It can store data in various forms, including arrays, strings, key/value pairs, and session. One of the most significant advantages of Web Storage is that it allows us to store more data than cookies.

Local Storage and Session Storage are two types of Web Storage. Local Storage stores data on the user's computer and doesn't get cleared until the user manually clears it from the browser. Local Storage data remains saved even after the user closes the browser window. Local Storage allows web developers to store non-sensitive data like user settings, themes, preferences, and more. Session Storage stores data for a shorter time compared to Local Storage. Session Storage gets cleared as soon as the session ends or the browser window is closed. Session Storage is an excellent choice for storing temporary data like user inputs or shopping cart data. When the user closes the browser window, all Session Storage data gets cleared.

Web Storage is a modern way to store data in the browser. It has a lot of storage capacity, and it can store data in various forms like arrays, strings, key/value pairs, and session. There are two types of Web Storage- Local Storage and Session Storage. Local Storage stores data on the user's computer and remains saved even after the browser window is closed. Session Storage, on the other hand, stores temporary data and gets cleared as soon as the session ends or the browser window is closed.

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What is the difference between Composite Object and Collection (6) b. What is persistence? What are the major properties of persistence? Describe two examples of persistence (10) c. Define Data Abstraction and Control Abstraction (4)

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a. Difference between Composite Object and Collection. Composite objects are objects that are made up of two or more classes' objects and that have a set of their own methods that control the behaviour of all classes that make up the composite object.

They contain additional functionality to control the objects in the collection as well as the overall collection. Composite objects can also refer to individual objects within a group of objects. A collection is a type of data structure that stores a set of objects in one location. Collections can store objects of the same or different types. Collections may or may not have any behavior, and they do not directly impact the objects they hold.

Composite objects are those that are made up of objects from two or more classes and have their own set of methods that control the behaviour of all classes that make up the composite object. They provide additional functionality to control both the objects within the collection and the collection as a whole.

Collection is a type of data structure that stores a set of objects in one location. It may or may not have any behavior and does not directly affect the objects they contain.

b. Persistence and its major properties: Persistence is the process of storing data objects in secondary storage so that they may be retrieved later.

The three major properties of persistence are atomicity, consistency, and durability.Atomicity refers to the fact that either the entire transaction occurs or none of it occurs.Consistency refers to the fact that data must remain valid after a transaction.Durability refers to the fact that a transaction's effects are permanent, even in the face of system failures.Examples of persistence are databases, file systems, and messaging systems.

c. Define Data Abstraction and Control AbstractionData Abstraction refers to the process of hiding unnecessary implementation details and revealing only the relevant information to the user.

This helps the user focus on the important aspects of the system and improves its usability.Control Abstraction refers to the process of hiding unnecessary details related to control and revealing only the necessary control information. This helps the user to control the system's behaviour with ease.

Composite objects are those that are made up of objects from two or more classes and have their own set of methods that control the behaviour of all classes that make up the composite object. A collection, on the other hand, is a type of data structure that stores a set of objects in one location.Persistence is the process of storing data objects in secondary storage so that they may be retrieved later. The three major properties of persistence are atomicity, consistency, and durability.

Data Abstraction refers to the process of hiding unnecessary implementation details and revealing only the relevant information to the user. Control Abstraction refers to the process of hiding unnecessary details related to control and revealing only the necessary control information.

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Hi can someone help me suggest a nice topic/title about constructing vertical farms for my thesis on Civil Engineering under the specialization of Construction Engineering Management? Thank you so much.
1.
2.
3.

Answers

Answer:A possible title for your thesis on Civil Engineering under the specialization of Construction Engineering Management could be "Optimizing Construction Techniques for Vertical Farms: A Case Study. Help can be taken.

"Explanation:Vertical farming is a rapidly growing field that is attracting attention from civil engineers as an innovative solution to food security and sustainable urban development. It involves growing crops in vertically stacked layers using controlled environmental conditions, which can help increase crop yield, conserve water, reduce transportation costs, and minimize land use.In your thesis, you could explore various construction techniques used for vertical farms, such as modular construction, pre-fabrication, and automation.

You could also conduct a case study on an existing vertical farm to analyze its construction process, identify areas for improvement, and propose strategies for optimizing construction techniques.Your thesis could be a valuable contribution to the field of Civil Engineering under the specialization of Construction Engineering Management, as it can provide insights into how to design and construct vertical farms that are efficient, cost-effective, and sustainable. You can explain the different methods and principles applied in construction engineering management with 100 words explanation.

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A soil sample of 5.1 m³ is completely saturated with 2503 L of water. A volume of 1198 L of water was drained by gravity. What is the specific retention (to three significant figures)?

Answers

The specific retention of the given soil sample is 0.256 L/m³.

A soil sample of 5.1 m³ is completely saturated with 2503 L of water. A volume of 1198 L of water was drained by gravity. We have to find the specific retention (to three significant figures). The specific retention is defined as the volume of water retained per unit volume of soil when the soil is saturated and allowed to drain freely. Mathematically, specific retention is given as, SR=Vr/Vs where SR= Specific retention Vr= Volume of water retained Vs= Total volume of soil Therefore, Volume of water retained= Total volume of water - volume of water drained= 2503 L - 1198 L= 1305 L Now, SR=Vr/Vs= 1305 L/5.1 m³= 255.88 mL/m³= 0.256 L/m³

The specific retention of the given soil sample is 0.256 L/m³.

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Suppose that we have the following schema written in SQL:99
Create type ExhibitionPlace as row(t# integer, name text, address text phone text) Ref is system generated;
Create table Exhibitions of ExhibitionPlace ref is tid system generated;
Create table Nowopening (expo# integer, exhibit ref(ExhibitionPlace) scope Exhibitions, start date, end date);
Create table Exposition(expo# intreger, title text, subjects varchar(25) array[10], director text, budget float);
1. Design an ER diagram of the above-defined schema.
2. List all the Exhibitions that are held in more than 5 places
3. Explain how the table Exhibitions is maintained in term of insert, delete and select

Answers

To list all the exhibitions that are held in more than 5 places, one can use the SQL query below:

sql

SELECT Exhibitions.tid, COUNT(*) AS place_count

FROM Exhibitions

GROUP BY Exhibitions.tid

HAVING COUNT(*) > 5;

What is the ExhibitionPlace?

Inside of the over graph, the "ExhibitionPlace" substance speaks to the places where presentations can be held. It has properties such as "t#" (put ID), "title", "address", and "phone". The "Presentations" table is related to the "ExhibitionPlace" substance through the "tid" remote key.

The "Nowopening" table speaks to the current openings of shows. It has properties like "expo#" (presentation ID), "display" (remote key referencing "ExhibitionPlace"), "begin date", and "conclusion date".

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Determine mass (kg) or rement, sand and stone required to cost 5 reinforced concrete beams of dimentions 230mm x 350mm X 5000mm as well as a reinforced concrete slab of dimentions sooo mm x Socomm. x 200mm. Consider a 5% waste factor 5 wic 0,56 cement content = 284 kg/m² Sand = 869,75 kg/m² Slone = 971 kulma Wales = a1slim

Answers

Mass of concrete required with 5% waste factor = 1.05 x (1124.347 + 231.944 x soo x Socomm) kg.

Dimensions of 5 reinforced concrete beams are 230 mm x 350 mm x 5000 mm Dimensions of reinforced concrete slab are soo mm x Socomm x 200 mm 5% waste factor is given Cement content = 0.56 (284 kg/m²) Sand = 869.75 kg/m²Stone = 971 kg/m³ Wales = a1slimLet the dimensions of the slab be l, b and h. Therefore volume of slab= l x b x h = lbh Therefore volume of one slab = soo mm x Socomm x 200 mm = (soo x Socomm x 200) mm³ = (soo/1000 x Socomm/1000 x 200/1000) m³ = (soo x Socomm x 0.2) m³Volume of 5 reinforced concrete beams = 5 x volume of one beam = 5 x (230/1000 x 350/1000 x 5000/1000) m³ = 0.975 m³Volume of slab = soo x Socomm x 0.2 m³Total volume of concrete required = volume of 5 reinforced concrete beams + volume of slab Volume of concrete = 0.975 + soo x Socomm x 0.2 m³Weight of 1 m³ concrete = (cement content + sand + stone) = 284 + 869.75 + (971 x 1000/1000000) = 284 + 869.75 + 0.971 = 1154.721 kg Weight of concrete required = Total volume of concrete x Weight of 1 m³ concrete = (0.975 + soo x Socomm x 0.2) x 1154.721 kg = 1124.347 + 231.944 x soo x Socomm kg Mass of concrete required with 5% waste factor = 1.05 x weight of concrete required = 1.05 x (1124.347 + 231.944 x soo x Socomm) kg

Mass of concrete required with 5% waste factor = 1.05 x (1124.347 + 231.944 x soo x Socomm) kg.

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Suppose a 25 kV, 60 Hz feeder feeds multiple loads, with one of them is the factory load. It absorbs an apparent power of 4600 kVA. Nonlinear loads in the plant produces a 5th and 29th harmonic current. Compared to the fundamental current, the 5th harmonic has a value of 0.12 p.u. and the 29th harmonic has a value of 0.024 p.u. The feeder at the point of common coupling (PCC) has a short circuit capacity of 97 MVA. (i) Illustrate the single line diagram of the power network discussed in the question. (2 marks) (ii) Draw an impedance diagram showing progressive distortion of the system voltage when it goes further downstream towards the load. (2 marks) (111) Calculate the reactance ‘Xs' of the feeder

Answers

The reactance of the feeder was calculated to be 6.45 Ω, which indicates that there is less resistance to the change in current.

i) The single line diagram of the power network discussed in the question is illustrated below:

ii) An impedance diagram is shown below, showing progressive distortion of the system voltage when it goes further downstream towards the load. It can be observed that with the increase in the number of branches and nonlinear loads, there is a progressive distortion of the system voltage.

iii) Given, Apparent power absorbed by the factory load, S = 4600 kVA

Voltage of the feeder, V = 25 kV

Short-circuit capacity of the feeder, SC = 97 MVA

We know that the formula for calculating the reactance is:

X = V2 / SCS = 4600 kVA,

V = 25 kV and SC = 97 MVA

X = V2 / SC

Solving the above expression:

X = (25kV)2 / (97 MVA)

X = 6.45 Ω

The single-line diagram of the power network discussed in the question is shown above. The impedance diagram was also illustrated, showing progressive distortion of the system voltage when it goes further downstream towards the load. The reactance of the feeder was calculated to be 6.45 Ω, which indicates that there is less resistance to the change in current. Hence, it can be concluded that the feeder is well-designed, and it can handle the load effectively without any significant power losses.

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Run this command in cmd6 and write a comment above it to explain what it does (please be as specific as possible when commenting). Plot a barchart based on the results shown – put married rate on y-axis and occupation on x-axis. (Hint: use Plot Options to customize your plot) marital_status_rate_by_occupution = spark.sql SELECT occupation, SUM(1) as num_adults, ROUND (AVG (if (LTRIM(marital_status) LIKE 'Married-8',1,0)), 2) as married_rate, ROUND (AVG(if(lower (marital_status) LIKE '%widows',1,0)),2) as widow_rate, ROUND (AVG (if (LTRIM (marital_status) = 'Divorced', 1,0)), 2) as divorce_rate, ROUND (AVG (if (LTRIM (marital_status) = 'Separated', 1,0)), 2) as separated_rate, ROUND (AVG (if (LTRIM (marital_status) = 'Never-married', 1,0)), 2) as bachelor_rate FROM adult GROUP BY occupation ORDER BY num_adults DESC "") display (marital_status_rate_by_occupution) Step 9: In cmd7, follow the command above and write a Spark SQL command to get the highest bachelor rate by education groups. Show ONLY education and that highest rate in the result. (Hint: bachelor rate is the percentage of people whose marital status is "Never married". Use LIMIT in SQL for the highest score only)

Answers

Comment - The following Spark SQL command calculates marital status rates by occupation, including the number of adults, married rate, widow rate, divorce rate, separated rate, and bachelor rate. The results are ordered by the number of adults.

The results

marital_status_rate_by_occupution = spark.sql("SELECT occupation,

                                              SUM(1) as num_adults,

                                              ROUND(AVG(if(LTRIM(marital_status) LIKE 'Married-8', 1, 0)), 2) as married_rate,

                                              ROUND(AVG(if(lower(marital_status) LIKE '%widows', 1, 0)), 2) as widow_rate,

                                              ROUND(AVG(if(LTRIM(marital_status) = 'Divorced', 1, 0)), 2) as divorce_rate,

                                              ROUND(AVG(if(LTRIM(marital_status) = 'Separated', 1, 0)), 2) as separated_rate,

                                              ROUND(AVG(if(LTRIM(marital_status) = 'Never-married', 1, 0)), 2) as bachelor_rate

                                              FROM adult

                                              GROUP BY occupation

                                              ORDER BY num_adults DESC")

display(marital_status_rate_by_occupution)

In cmd7, use the following Spark SQL command to retrieve the highest bachelor rate by education groups, showing only the education and the highest rate in the result  -

highest_bachelor_rate = spark.sql("SELECT education, ROUND(AVG(if(LTRIM(marital_status) = 'Never-married', 1, 0)), 2) as bachelor_rate

                                  FROM adult

                                  GROUP BY education

                                  ORDER BY bachelor_rate DESC

                                  LIMIT 1")

display(highest_bachelor_rate)

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Write a VB program that: - reads the scores of 30 players of a video game using inputBoxes and stores the values in an array - computes and displays the average score - displays the list of scores above average in lstScores.

Answers

In this program, to write this , first a button named "btnCalculate" is used to trigger the calculation and display of the average score and the scores above average. A label named "lblAverage" is used to display the average score, and a listbox named "lstScores" is used to display the scores above average.

Here is the VB programe of this " 30 players of a video game".

Public Class Form1

   Private Sub btnCalculate_Click(sender As Object, e As EventArgs) Handles btnCalculate.Click

       Dim scores(29) As Integer

       Dim sum As Integer = 0

       Dim average As Double

       ' Read scores using InputBoxes and store in the array

       For i As Integer = 0 To 29

           Dim input As String = InputBox("Enter score for player " & (i + 1))

           If Integer.TryParse(input, scores(i)) Then

               sum += scores(i)

           Else

               MessageBox.Show("Invalid input for score. Please enter a valid integer.")

               i -= 1 ' Decrement i to repeat the loop for the same player

           End If

       Next

       ' Compute average score

       average = sum / 30

       ' Display average score

       lblAverage.Text = "Average Score: " & average.ToString("F2")

       ' Display scores above average in the ListBox

       lstScores.Items.Clear()

       For Each score As Integer In scores

           If score > average Then

               lstScores.Items.Add(score)

           End If

       Next

   End Sub

End Class

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№º4. 1. Use the plot function, to plots functions Y in same graphic window y=arccos(3x²-2x+1) - x[-6;9], y=2x3-7 - xe[- 8;7] y=x²-x²-1 - x[-13;13], with the display of level lines, axis labels and graphs. 2. Display in the same window the graphs of these functions with their highlighting by lines of various types and colors (blue, red, green), and also display the description (legend) of the graph. 3.To form an arbitrary two-dimensional array of size 3x9 with positive elements and plot grouped bar graph and stacked bar graphs

Answers

Plotted grouped bar graphically and stacked bar graphs are ```# creating the arraya <- matrix(sample(1:10, 27, replace = TRUE), nrow = 3, ncol = 9)barplot(a, beside = TRUE, main = "Grouped Bar Graph")barplot(a, beside = FALSE, main = "Stacked Bar Graph")```

1. To plot the following functions:

y = arccos(3x²-2x+1) - x[-6;9], y = 2x³-7 - xe[-8;7], y = x²-x²-1 - x[-13;13]

using the plot function and display of level lines, axis labels, and graphs, we use the following codes:

```x <- seq(-6, 9, length = 500) # sequence of points to plot a functionplot(x, acos(3*x^2-2*x+1), type = "l", col = "blue", ylim = c(-5,5), axes = FALSE)axis(2, las = 1)axis(1, at = seq(-6,9, by = 1), las = 1)

title(main = "y = arccos(3x²-2x+1) - x[-6;9]", col.main = "red", font.main = 4)par(new = TRUE)plot(x, 2*x^3 - 7 - x, type = "l",

col = "green", ylim = c(-20,20), axes = FALSE)axis(4, las = 1)title(main = "y = 2x³-7 - xe[-8;7]", col.main = "dark green",

font.main = 4)par(new = TRUE)plot(x, x^2 - x^2 - 1, type = "l", col = "red", ylim = c(-5,5), axes = FALSE)axis(2, las = 1)axis(1, at = seq(-13,13, by = 1),

las = 1)legend("topright", legend = c("y = arccos(3x²-2x+1) - x[-6;9]", "y = 2x³-7 - xe[-8;7]", "y = x²-x²-1 - x[-13;13]"),

col = c("blue", "green", "red"), lty = c(1,1,1))```2.

To display the graphs of the above functions using various line types and colors and displaying the legend of the graph, we use the following codes:

```x <- seq(-6, 9, length = 500)

# sequence of points to plot a functionplot(x, acos(3*x^2-2*x+1),

type = "l", col = "blue", ylim = c(-5,5), axes = FALSE)axis(2, las = 1)axis(1, at = seq(-6,9, by = 1), las = 1)title(main = "Graphs of Different Functions", col.main = "red", font.main = 4)par(new = TRUE)plot(x, 2*x^3 - 7 - x, type = "l", col = "green", ylim = c(-20,20), axes = FALSE)axis(4, las = 1)par(new = TRUE)plot(x, x^2 - x^2 - 1, type = "l", col = "red", ylim = c(-5,5), axes = FALSE)axis(2, las = 1)

axis(1, at = seq(-13,13, by = 1), las = 1)legend("topright", legend = c("y = arccos(3x²-2x+1) - x[-6;9]", "y = 2x³-7 - xe[-8;7]", "y = x²-x²-1 - x[-13;13]"), col = c("blue", "green", "red"), lty = c(1,2,3))```3.

To form an arbitrary two-dimensional array of size 3x9 with positive elements and plot a grouped bar graph and stacked bar graphs, we use the following codes:

```# creating the arraya <- matrix(sample(1:10, 27, replace = TRUE), nrow = 3, ncol = 9)barplot(a, beside = TRUE, main = "Grouped Bar Graph")barplot(a, beside = FALSE, main = "Stacked Bar Graph")```

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The elementary isomerization A ---> B is carried out at 20atm in a fluidized CSTR containing 100 kg of catalyst where 50% conversion is achieved. It is proposed to replace the CSTR with a PBR. The entering pressure was 20atm and the exit pressure was found to be 10atm. a. What would be the conversion if no pressure drop? b. What would be the conversion in the new PBR with pressure drop?

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Elementary isomerization is a chemical reaction process where a single compound is converted into a structurally related molecule in a single step. When elementary isomerization A → B is carried out at 20 atm in a fluidized CSTR containing 100 kg of catalyst where 50% conversion is achieved.

It is proposed to replace the CSTR with a PBR. The entering pressure was 20 atm and the exit pressure was found to be 10 atm. Now, let's calculate the conversion.50% conversion is defined as CA0 − CA/CA0 = 0.5where,CA0 = initial concentration of reactant A in kmol/m³CA = concentration of reactant A in kmol/m³Therefore,CA/CA0 = 0.5 → CA = 0.5 CA0And,CA0 = 20 × 1000 / 8.314 × 298.15 ≈ 8.02 kmol/m³CA = 0.5 × 8.02 ≈ 4.01 kmol/m³a. What would be the conversion if no pressure drop?If there is no pressure drop, then the conversion will remain the same as the concentration of A would remain constant. Therefore, the conversion will be 50%.

b. Here, the entering pressure = 20 atm Exit pressure = 10 atm. Therefore, Pressure drop = 20 − 10 = 10 atm Now, let's calculate the concentration of A in PBR.0.5 CA0 − CA = (P1 − P2) / P1 × CA0 / r where,CA0 = initial concentration of reactant A in kmol/m³CA = concentration of reactant A in kmol/m³P1 = Entering pressure P2 = Exit pressure r = universal gas constant Therefore,CA = 0.5 CA0 + (P1 − P2) / P1 × CA0 / r= 0.5 × 8.02 + (20 − 10) / 20 × 8.02 / 8.314 × 298.15≈ 5.75 kmol/m³Conversion = CA0 − CA / CA0= 8.02 − 5.75 / 8.02 ≈ 0.2845 or 28.45% (approx)Hence, the conversion in the new PBR with a pressure drop would be 28.45%.

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a = 0. 2 Question: Please use C language to write a program to solve the equation of 1-erf (- Input requirements: a total of two lines. • The first line, an integer n, represents the number of times to be calculated. 0 int main() { *****

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To solve the equation of 1-erf(-a) in C language, we need to use the math.h library which includes the erf function. Then we need to use the formula of 1-erf(-a) and use a loop to iterate the calculation for 'n' number of times.


First, we need to include the math.h library in our program to use the erf function. Then we need to take input of the number of times 'n' the calculation needs to be done. After that, we can use a loop to iterate the calculation of 1-erf(-a) 'n' number of times.

Inside the loop, we need to take input of the value of 'a'. Then we can use the formula of 1-erf(-a) which is 1- erf(-a) = 1- (2/sqrt(π))*integral(exp(-t^2), 0, a). Here, the integral is evaluated from 0 to 'a' with respect to 't'. We can use the erf function in C to calculate the integral value of exp(-t^2) and get the final value of 1-erf(-a).

After getting the value, we can print it on the screen. The loop will iterate again and ask for a new value of 'a' to calculate 1-erf(-a) until it iterates 'n' number of times.

Let's see the full program to solve the equation of 1-erf(-a) for 'n' number of times.

#include
#include

int main() {
   int n, i;
   double a, result;

   printf("Enter the number of times to be calculated: ");
   scanf("%d", &n);

   for(i=1; i<=n; i++) {
       printf("Enter the value of a: ");
       scanf("%lf", &a);

       result = 1 - erf(-a);

       printf("1-erf(-%lf) = %lf\n", a, result);
   }

   return 0;
}

Thus, we can write a program to solve the equation of 1-erf(-a) for 'n' number of times in C language. We need to include the math.h library, take input of the number of times to iterate the calculation, use a loop, and calculate the value of 1-erf(-a) using the formula and erf function. Finally, we can print the result on the screen.

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1. We use site grading to achieve a number of site goals. Please name 3. (10 pts) 2. Please name two site strategies for slowing down or capturing stormwater? (10 pts) 3. no What is the minimum slope you should use on (10 pts) a. A car driveway? Wood colo b. A pedestrian walkway? C. A flat roof? golosing ae 4. Why is cut and fill a better strategy for grading a site than just using fill? (10 pts) 5. Define a swale.

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Site grading is used to achieve various site goals, such as providing a level building pad, controlling erosion and stormwater, and creating aesthetic and functional landscapes.

Two site strategies that are used to slow down or capture stormwater are swales and rain gardens. Swales are shallow, broad channels that are designed to slow down the flow of water and collect pollutants. Rain gardens are shallow depressions in the ground that are filled with plants and gravel, which help to filter the water and absorb pollutants. Both strategies are effective at reducing the amount of runoff and pollutants that enter waterways, and they can be incorporated into the site design in a way that is aesthetically pleasing.

The minimum slope you should use on a car driveway is 10%, on a pedestrian walkway is 5%, and on a flat roof is 1/8 inch per foot. Cut and fill is a better strategy for grading a site than just using fill because it allows for better drainage, reduces erosion, and creates a more stable base for building. Finally, a swale is a shallow, broad channel designed to slow down the flow of water and collect pollutants.

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(8 pts) a) (4 pts)Suppose R is the relation on N where aRb means that a starts in the same digit in which b starts. Determine whether Ris an equivalence relation on N. Justify your answer. b) (4 pts) Suppose the relation Ris defined on the set Z where aRb means that ab < 0. Determine whether R is an equivalence relation on Z. Justify your answer.

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a) R is an Equivalence relation on N.

b) R is not an Equivalence relation on Z.

a) Suppose R is the relation on N where aRb means that a starts in the same digit in which b starts, to determine whether R is an equivalence relation on N, we would have to consider the following three properties: Reflexivity, Symmetry, and Transitivity.

i) Reflexivity: This implies that aRa for all a ∈ N. If a starts with the same digit as a, then a = a. So, aRa for all a ∈ N. Hence, R is Reflexive.

ii) Symmetry: This means that if aRb, then bRa for all a, b ∈ N. If a starts with the same digit as b, then b starts with the same digit as a. Hence, bRa. Thus, R is Symmetric.

iii) Transitivity: This means that if aRb and bRc, then aRc for all a, b, c ∈ N. If a starts with the same digit as b and b starts with the same digit as c, then a starts with the same digit as c. Thus, aRc. Thus, R is Transitive. From the above three properties, we can say that R is an Equivalence relation on N.

b) Suppose the relation R is defined on the set Z where aRb means that ab < 0. To determine whether R is an equivalence relation on Z, we would have to consider the following three properties: Reflexivity, Symmetry, and Transitivity.

i) Reflexivity: This means that aRa for all a ∈ Z. If we multiply any number with itself, we get a positive number. Hence, R is not Reflexive

.ii) Symmetry: This implies that if aRb, then bRa for all a, b ∈ Z. If ab < 0, then ba < 0. Thus, bRa. Hence, R is Symmetric.

iii) Transitivity: This means that if aRb and bRc, then aRc for all a, b, c ∈ Z. If ab < 0 and bc < 0, then ac > 0. Thus, aRc. Thus, R is Transitive. From the above three properties, we can say that R is not an Equivalence relation on Z.

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When it comes to data analytics, Python is one of the most well-known programming languages. It also has a good array of relevant libraries that are designed for data analysis on a Page 1 of 13 MEC_AMO_TEM_035_03 Data Analytics Systems & Algorithms (COMP 20036) -SPRING-22-CWZ (ASSMNT)-QP-All specific data source by means of its data structures such as arrays, stacks, queues, hash tables etc. Discuss any four data structures, that are utilized for data analysis. In APA 7th edition style, provide relevant citations and references. This section has a word limit of 600 words. a. Discuss atleast four data structures which can be used in data analytics. (20 Marks) b. Provide relevant examples with code snippets with explanation. (20 Marks) Note: Students are expected to furnish correct python code for each along with output. Screenshots are not allowed

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Arrays, Stacks, Queues and Hash tables are four data structures which can be used in data analytics.

Arrays are data structures used for storing large data sets, sorting and searching data, and performing arithmetic operations. Stacks and queues are useful in tracking the sequence of events or operations and buffering, prioritizing tasks and scheduling respectively. Hash tables are used for indexing, searching, and data compression in data analysis. They are important for storing data and handling it efficiently in data analytics.

Python has libraries for all these data structures and the implementation is simple. These data structures are flexible, scalable, and efficient. They are used in data analysis in a variety of domains like finance, healthcare, transportation, etc. and are essential for processing, storing and analyzing large amounts of data.

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Consider a synchronous distributed system consisting of 10 processes - P1, P2, P3, P4, P5, P6, P7, P8, P9 and P10. Every process puts forth an initial integer value. The initial values put forth by P1, P2, P3, PS, P6, P7, P8 and P9 are 9, 5, 3, 9, 3, 8, 4 and 5 respectively.P4 and P10 do not send any value. P1, P4 and P10 are faulty processes and the non-faulty processes are aware of this fact. Using your knowledge of the interactive consistency problem, determine the values of the final agreement array. Assume that for a faulty process, the agreed upon value by all the non-faulty processes is 6. No marks will be awarded for incorrect values of the final agreement array. [3]

Answers

Synchronous distributed systems are computer networks where the nodes communicate and share resources through a clock signal. Interactive consistency refers to the manner in which information is presented to and used by clients during the interaction.

As per the question given, we need to consider a synchronous distributed system consisting of 10 processes (P1, P2, P3, P4, P5, P6, P7, P8, P9 and P10), where every process puts forth an initial integer value, which is as follows: The initial values put forth by P1, P2, P3, P4, P5, P6, P7, P8 and P9 are 9, 5, 3, 9, 3, 8, 4 and 5 respectively.

P4 and P10 do not send any value.P1, P4 and P10 are faulty processes and the non-faulty processes are aware of this fact.

We need to use our knowledge of the interactive consistency problem to determine the values of the final agreement array. Assume that for a faulty process, the agreed upon value by all the non-faulty processes is 6.

We can solve the above problem using the following steps:

Step 1: We can start by making an array of all the values of the initial values put forth by every process. We obtain: 9, 5, 3, 9, 3, 8, 4, 5, 6, 6.

Step 2: Now, we need to eliminate the faulty processes and their initial values. We can do this by replacing their values by 6 (agreed upon value by all the non-faulty processes).

The updated array becomes: 9, 5, 3, 6, 3, 8, 4, 5, 6, 6.

Step 3: After eliminating the faulty processes, the final agreement array should have the same value for all the non-faulty processes.

Therefore, we can just take the average of all the remaining values in the updated array and use that value for the final agreement array. We obtain: (9+5+3+6+3+8+4+5+6+6) / 10 = 55 / 10 = 5.5.

Therefore, the value of the final agreement array is 5.5.

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a) As a project manager for your IT Company, design a Work Breakdown Structure (WBS) for a database system with cost estimation. The main budget for the project is RM 500,000. The components for the project as follows: 1. Definition (30%) 1.1 Design (18%) 1.2 Estimation (12%) 2. Design (50%) 2.1. Input (8%) 2.2. Output (15%) 2.3. Files (5%) 2.4. Interfaces (12%) 2.5. Programming (10%) 3. Implementation (20%) 3.1 Testing (13%) 3.2 Review (7%) (13 marks)
b) Identify any TWO (2) fundamental ideas behind Work Breakdown Structure (WBS). (4 marks) c) Briefly explain any FOUR (4) benefits of using WBS for project management. (8 marks)

Answers

A Work Breakdown Structure (WBS) is a project management tool used to divide the task into smaller, more manageable parts.

The fundamental ideas behind WBS are that it enables the project manager to identify the detailed tasks that need to be completed, establish a schedule, assign responsibility for the work, and track progress towards the goal.

Therefore, by dividing the tasks into smaller components, it becomes easier to identify the resources needed for each stage and hence, more straightforward to budget and execute the project.

a) The Work Breakdown Structure for the database system with cost estimation is as follows:

|Task | Percentage of budget allocated | Budget allocated |
| --- | --- | --- |
| Definition | 30% | RM150,000 |
| Design | 50% | RM250,000 |
| Implementation | 20% | RM100,000 |

The components of the project as follows:

|Task | Percentage of budget allocated | Budget allocated |
| --- | --- | --- |
| Definition | 30% | RM150,000 |
| 1.1 Design | 18% | RM90,000 |
| 1.2 Estimation | 12% | RM60,000 |
| Design | 50% | RM250,000 |
| 2.1. Input | 8% | RM40,000 |
| 2.2. Output | 15% | RM75,000 |
| 2.3. Files | 5% | RM25,000 |
| 2.4. Interfaces | 12% | RM60,000 |
| 2.5. Programming | 10% | RM50,000 |
| Implementation | 20% | RM100,000 |
| 3.1 Testing | 13% | RM65,000 |
| 3.2 Review | 7% | RM35,000 |

b) The two fundamental ideas behind Work Breakdown Structure (WBS) are:

- It enables the project manager to identify all the tasks that need to be completed, thereby, improving the chances of success for the project.
- It divides the tasks into smaller, more manageable parts, allowing the project manager to assign responsibility, track progress, and allocate resources more effectively.

c) The four benefits of using WBS for project management are:

- It breaks down the project into smaller, more manageable parts, making it easier to estimate time, resources, and costs accurately.


- It allows the project manager to identify and prioritize critical tasks and allocate resources accordingly.


- It improves communication between team members by ensuring that everyone is on the same page about the tasks that need to be completed and who is responsible for them.


- It enables the project manager to monitor progress towards the goal and make necessary adjustments to ensure the project stays on track.

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his is an individual assessment. In this Lab Test, you must write a complete program to input an R-by-C matrix with your own data. R is the row and C is the column of the matrix. However, you MUST write a program by implementing the functions method. Here are the complete program requirements. Please read carefully. 1. Write a MAIN program that will call THREE user-defined functions. The task of each function is described below. 1.1 The FIRST function (named my_info) is to display your information, without passing parameters and return values, such as: a. Full Name b. Matrix No C. Course and Group d. then display a Plagiarism Declaration statement as below. "I confirm that this LAB TEST is my own work and is not copied from any other person's work." 1.2 The SECOND function (named get_matrix_size) is to accept two integers value from the user to specify the matrix size which is the size of 2 dimension array namely row and column. This function must use a pass value by the reference /address method. That means no return value is required in the function definition. You are not allowed to create global variables. 1.3 The THIRD function (named get_matrix_data) is to fill up all elements of the matrix with any integer value from the user. This function must use a pass by value method, which is consist of row and column from the MAIN function. After finishing the data input process, this function also needs to display again all the data. Please be creative in how you display your output. In the end, this function needs to return the lowest value from data in the matrix to the MAIN function. The MAIN function need to create a program to display this return value data.

Answers

Because some of the information in the question was very counterintuitive, it was hard to figure out what was actually needed.

Whatever the requested function is, it takes an array of the type float at the moment but can be changed to whatever you need (the actual type was not included in the question) and the min_or_max argument, which specifies whether the array should be sorted in descending order or ascending order. Finally, the entire array is printed.

  if (min_or_max == 0), public void minMaxFunc(float[] input, int min_or_max) int last = input.length - 1;

          middle int is equal to input.length / 2;

          because (int i = 0; i is the middle; i++) The float temp is equal to input[i];

              input[last - i] = input[i];

              temp = input[last - i];

          else, if (min_or_max == 1), the float temperature is set to zero;

          because (int i = 0; i = length.input; i++)  for (int j = i+1; j = length.input; j++) if(input[i] > input[j]) temp = input[i];

                      input[i] equals input[j];

                      temp = input[j];

                  else System.out.println("Wrong min or max value, enter 1 for max or 0 for min");

       in the event that (int x = 0; x  length.input; x++): System.out.println(input[x]);

      }

  }

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Which of these is the CSS Declaration that establishes a top and bottom margin of Opx and auto-centers the div between the left and right side of the parent element identify the correct code by number and then select it in the answers below) logolinks position: fixed Tight: 0p bottom: 15px: font-size: 10px; > container { width AS margin: 0 auto < Ofont-face font-family: Raleway Thin's src: url('fonts/raleway_thin-webfont.); src: url('fonts/raleway thin webfont...+7+iefix') format('embedded-opentype") url('fonts/raleway_thin-webfont. ***) format(**). url('fonts/raleway thin-webfont..) format url('fonts/raleway thin-webfont..***sRalewayThin") format(***); , O a, 12 a b.5 4.4 O d. 9

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The CSS Declaration that establishes a top and bottom margin of Opx and auto-centers the div between the left and right side of the parent element is "Container {width: Apx; margin: 0 auto;}".

Here, we see that the container element is used to establish a top and bottom margin of 0px and auto-centers the div between the left and right side of the parent element. It also defines the width of the container as Apx. Thus, option (b) is the correct option.

Here's a brief explanation of the other options:(a) logolinks position: fixed Tight: 0p bottom: 15px: font-size: 10px; - This code does not establish a top and bottom margin or auto-center the div. It sets the position of the logolinks to fixed with a tight of 0 pixels and bottom of 15 pixels.

It also sets the font size to 10px.(c) font-face font-family: Raleway Thin's src: url('fonts/raleway_thin-webfont.); src: url('fonts/raleway thin webfont...+7+iefix') format('embedded-opentype") url('fonts/raleway_thin-webfont. ***) format(**). url('fonts/raleway thin-webfont..) format url('fonts/raleway thin-webfont..***sRalewayThin") format(***); - This code defines a custom font face for the Raleway Thin font family.(d) a, 12 a b.5 4.4 O d. 9 - This is not a valid CSS code.

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wave runup on breakwater (rubble mound) A team of engineers would like to determine the wave runup for a quarrystone breakwater with the following conditions: Equivalent unrefracted deepwater wave height = 3 m • Water depth at the structure toe = 13 m • Wave period = 6 seconds • Structure slope cot theta = 1.5 • Height of core = 9 m The team would like to reduce the wave runup by using either a tetrapod or tribar concrete armor in place of the quarrystone. For the given conditions above, determine whether the engineers can achieve their goal and by what percentage would you expect runup to be reduced for the tetrapod and tribar armors.

Answers

To determine whether the engineers can achieve their goal of reducing wave runup and by what percentage it can be reduced using tetrapod and tribar concrete armors, we need to calculate the wave runup for the existing quarrystone breakwater and compare it with the expected runup values for the alternative armor options.

The wave runup on a breakwater can be estimated using empirical equations such as those provided by Goda (1985). The equations for the wave runup on a rubble mound breakwater for given wave conditions are as follows:

Quarrystone breakwater:

[tex]R_q = 0.35 \times H \times \left( \sqrt{gd} + \frac{0.04H}{T} - 0.4 \right)[/tex]

Where:

Rq is the wave runup on the quarrystone breakwater

H is the equivalent unrefracted deepwater wave height

g is the acceleration due to gravity (assumed to be 9.81 m/s²)

d is the water depth at the structure toe

T is the wave period

Using the given wave conditions, we can calculate the wave runup on the quarrystone breakwater:

[tex]R_q = 0.35 \times 3 \times \left( \sqrt{9.81 \times 13} + \frac{0.04 \times 3}{6} - 0.4 \right)[/tex]

= 2.033 m

Now, let's calculate the expected wave runup reduction for the tetrapod and tribar armors:

Tetrapod armor:

The expected wave runup reduction for tetrapod armor is approximately 40% compared to the quarrystone breakwater.

R tetrapod = Rq * (1 - 0.4) = 2.033 * (1 - 0.4) = 1.22 m

Percentage reduction = (Rq - R tetrapod) / Rq * 100% = (2.033 - 1.22) / 2.033 * 100% ≈ 39.99% (approximately 40%)

Tribar armor:

The expected wave runup reduction for tribar armor is approximately 60% compared to the quarrystone breakwater.

Rtribar = Rq * (1 - 0.6) = 2.033 * (1 - 0.6) = 0.813 m

Percentage reduction = (Rq - Rtribar) / Rq * 100% = (2.033 - 0.813) / 2.033 * 100% ≈ 60% (approximately 60%)

Therefore, the engineers can achieve their goal of reducing wave runup using both the tetrapod and tribar concrete armors. The expected runup reduction for the tetrapod armor is approximately 40%, while for the tribar armor, it is approximately 60%.

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Smith company is an enterprise Australian company based in Sydney. It is growing fast and the company is aiming to expand their business in other cities in Australia and also in Singapore. Sydney building (50000 users), Melbourne building (32000 users), Brisbane building (25000 users) and Singapore building (17000 users) The company uses 12.07.0.0/8 at the company headquarters in Sydney and need to use a subnetting structure to incorporate the new cities. Adhering to the subnetting scheme and using VLSM, assign a subnet address to the networks and their links. Each branch's offices have 8 levels of building and access to the Internet is crucial for each office, as well as inter-branch-office networking. Each branch has 6 servers which are located on the Fifth floor of each branch The large company headquarter is in Sydney and the new subnets must have connectivity from Sydney and other cities in Australia and Singapore. You need to think about cost-effectiveness and also Smith company is aiming to create an intranet for its branches in Australia and Singapore. You need to think about creating a VPN for this company. The company is facing with different cyber- attacks annually and also, they are facing with some insider attack. Find some solutions to mitigate these types attacks Elements Your goal is to design, deploy and successfully implement their business requirements using all of the following: • Switches • Routers • Workstations • IP addressing hosts, subnet addresses, broadcast addresses • Default routes • Cables Solution You are required to design the topology for the four new sub-networks and their connection to the Sydney office. You must document each step you have taken, including your research sources. You need to come with a design report and send it to your technical manager. Report: The report must contain the following sections: Introduction: Critical analysis of networking requirements 2. Local Area Network (LAN): Design and description of Local Area Network for all subnets which must include: a. Network topology: Discuss the reasons for choosing the particular network topology. LAN design connections to the servers, connection to other subnets and also the internet/intranet 3. Hardware: Provide a complete description of all interconnecting devices (switches, routers, hubs and access points) and wiring used to build the network. Justify your choice. Conclusion: Comprehensive summary of the work done and recommendations.

Answers

IntroductionSmith Company is a business organization situated in Australia's Sydney city that is extending its business to different urban communities of the nation just as in Singapore. LAN Design ConnectionsThe LAN will have to be divided into multiple subnets for Smith Company's efficient and effective operation.

The organization has four branches across the globe that incorporate 50,000 users in Sydney, 32,000 in Melbourne, 25,000 in Brisbane, and 17,000 in Singapore. These new workplaces must have network connectivity from Sydney and different urban areas in Australia and Singapore. The organization should utilize a subnetting structure to join the new urban areas while sticking to the subnetting scheme and utilizing VLSM. Every branch's offices have eight levels of building, and access to the Internet is essential for every office, just as inter-office-networking between branches. Additionally, every branch has six servers situated on the fifth floor of every building. Hence, the network structure should be able to suit these requirements.Local Area Network (LAN)Design and description of Local Area Network for all subnets which must include Network Topology, LAN design connections to the servers, connection to other subnets, and also the internet/intranet.

Topology SelectionThe topology type selected for the Smith Company network design is the Star Topology. In this topology, every host is connected to a centralized device such as a hub, switch, or router. The switch will connect all the subnets in a way that makes them accessible to each other. The topology provides a level of redundancy, simplicity, and ease of management, making it the best option for the network design.LAN Design ConnectionsThe LAN will have to be divided into multiple subnets for Smith Company's efficient and effective operation. The LAN will be sub-netted into four subnets using Variable Length Subnet Mask (VLSM) as follows:IP Addresses• Sydney building (50,000 users) - 12.7.1.0/22• Melbourne building (32,000 users) - 12.7.2.0/21• Brisbane building (25,000 users) - 12.7.4.0/21• Singapore building (17,000 users) - 12.7.6.0/22HardwareThe following network hardware was used to design the Smith Company network topology:• Cisco Catalyst 3560 switch - used to connect user devices and servers.• Cisco 3925 Integrated Services Router (ISR) - used to connect the organization network to the internet.• Cat 6 UTP - used as the network cabling for the network.In conclusion, the design of the network for Smith Company should be cost-effective and provide security measures to safeguard the company from different cyber-attacks annually. A VPN should also be installed to mitigate any insider attacks.

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The motion of sea which contribute to the beach and nearshore physical systems include; - waves - tides - currents - storm surges - Tsunamis Explain each of this processes in terms of its contribution to the beach and nearshore physical systems. Give important characteristics of each.

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The motion of the sea affects the beach and nearshore physical systems. The five key processes that contribute to this are waves, tides, currents, storm surges, and tsunamis. It is important to consider the characteristics of each process when examining their contributions to beach and nearshore physical systems.

The movement of the sea, which contributes to the beach and nearshore physical systems, includes five key processes: waves, tides, currents, storm surges, and tsunamis. The following is an explanation of each process and its contribution to beach and nearshore physical systems:Waves: Waves are a result of wind that creates crests and troughs in the water, which move across the surface of the sea. Beaches play an important role in this because they affect how waves break and create beaches, which is where many surfers enjoy riding waves. Important characteristics of waves include their height, period, and shape. These characteristics help determine wave energy, which is a factor in how waves contribute to the beach and nearshore physical systems.Tides: The Earth's rotation causes a gravitational pull on the ocean, resulting in the rise and fall of sea levels known as tides. Tides have significant impacts on nearshore physical systems, including the distribution of sand, sediment, and water. Tidal currents can also create a range of habitats for different aquatic life. The characteristics of tides are their magnitude and frequency, which determine their effects on beaches and nearshore physical systems.Currents: Water flows that occur within a particular direction are known as currents. These currents are influenced by factors such as tides, winds, and the shape of the coastline. These currents play a significant role in transporting sand, sediment, and other materials along the coast. The speed and direction of currents are important characteristics to consider when examining their contributions to beach and nearshore physical systems.Storm Surges: Storm surges are caused by strong winds and low atmospheric pressure during tropical storms, hurricanes, and other weather events. The result is a sudden rise in sea levels, which can have devastating effects on coastal communities. Storm surges are important factors to consider when examining their contribution to beach and nearshore physical systems.Tsunamis: These are large ocean waves caused by earthquakes, volcanic eruptions, or landslides. Tsunamis have significant impacts on coastal areas, including the destruction of beaches and nearshore physical systems. The amplitude, frequency, and energy of tsunamis are important characteristics to consider when examining their contribution to beach and nearshore physical systems.

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Given the following MATLAB code, which calculates a 10 harmonic truncated Fourier Series approximation to a square wave, -1.510.01:1.5; WO, E 1: Square Wave approximation with 10 harmonica N-10: NO: to n-:N an" (E/ (npi) * (sin(n*pi/2) -sin (n*3*3/2)) NexNuan.cos(nwort): end indicates the point ise multiplication subplot (221); plot (XN) xlabel('ide) habe approximation *10') axialt-2 2-0.7 0.77) bold Modifying the code to perform a 100 harmonic-terms approximation will eliminate the little oscillation in the corners at the jump discontinuities. True False

Answers

The given MATLAB code calculates a 10 harmonic truncated Fourier Series approximation to a square wave. A Fourier series is a series of complex exponential functions that can be used to represent any periodic function.

In simple terms, any periodic function can be broken down into a series of sines and cosines that, when added together, recreate the original function.The given code can be modified to perform a 100 harmonic-terms approximation to eliminate the little oscillation in the corners at the jump discontinuities. Given the MATLAB code, which calculates a 10 harmonic truncated Fourier Series approximation to a square wave, -1.5:0.01:1.5; WO, E 1: Square Wave approximation with 10 harmonic N-10: NO: to n-:N an" (E/ (n*pi) * (sin(n*pi/2) -sin (n*3*3/2)) NexNuan.cos(nwort): end indicates the point ise multiplication subplot (221); plot (XN) xlabel('ide) habe approximation *10') axialt-2 2-0.7 0.77) bold The given code calculates a truncated Fourier series approximation to a square wave by using the equation given below:f(x) = (4/π) * Σn=1∞ (1/n) * sin(nπx)Here, the given MATLAB code is using only the first 10 harmonic terms of the series, which leads to some oscillations in the corners at the jump discontinuities. Therefore, we need to modify the code to perform a 100 harmonic-terms approximation to eliminate these oscillations.To modify the code, we need to change the value of N from 10 to 100. The updated code will be as follows:-1.5:0.01:1.5; WO, E 1: Square Wave approximation with 100 harmonic N-100: NO: to n-:N an" (E/ (n*pi) * (sin(n*pi/2) -sin (n*3*3/2)) NexNuan.cos(nwort): end subplot (221); plot (XN) xlabel('ide) habe approximation *100') axialt-2 2-0.7 0.77) bold.This updated code will calculate a 100 harmonic truncated Fourier Series approximation to a square wave, which will eliminate the little oscillation in the corners at the jump discontinuities.

Hence, the given statement "Modifying the code to perform a 100 harmonic-terms approximation will eliminate the little oscillation in the corners at the jump discontinuities" is TRUE.

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(24 points, 4 points each) A data science club has 27 members: 15 math majors and 12 computer science majors (each member is majoring in math or computer science but not both; there are no double majors). They need to form a committee that consists of a president, a vice president, a secretary, and a treasurer. How many committees are possible... a. with no additional restrictions? b. if the committee must have two math majors and two computer science majors? c. if the committee must have at least two computer science majors? d. if the committee must have either all math majors or all computer science majors? e. they abolish the officer positions and form a committee of four people? f. they abolish the officer positions and form a committee of six people with at least two math majors?

Answers

a. With no additional restrictions, there are 27 options for the president position. After the president is selected, there are 26 options left for the vice president position. For the secretary position, there are 25 options left and for the treasurer position, there are 24 options left.

Thus, the total number of possible committees is 27 x 26 x 25 x 24 = 45,144. So, there are 45,144 committees possible without additional restrictions. b. If the committee must have two math majors and two computer science majors, we can use the following approach:

for the president position, there are 15 options for the math majors and 12 options for the computer science majors.

Once the president position is selected, there are 14 options left for the second math major and 11 options left for the second computer science major. Then, the number of possible committees is 15 x 14 x 12 x 11 = 27,720. So, there are 27,720 committees possible if the committee must have two math majors and two computer science majors.

If the committee must have at least two computer science majors, then the committee can either have two computer science majors and two math majors or three computer science majors and one math major.

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A C program to store, analyze and update Covid-19 information about Greater Toronto Area (GTA) for the health ministry of Ontario has already been provided to you with several of its functions fully implemented. You are required to implement some of the functions as detailed below: This assignment mainly tests your ability to use linked lists.
Data Collected:
• Regions:
o Peel
o York
o Durham
• Towns:
o For Peel
▪ Brampton
▪ Mississauga
o For York
▪ Maple
▪ Vaughan
o For Durham
▪ Whitby
▪ Oshawa
• Race of head of the household which is supposed to be one of the following:
o African American, Asian, Caucasian, Indigenous, Other
• Number of people in the household—must be an integer greater than 0 and less than 12;
• Number of people tested positive for Covid-19 must not be more than number of people in the household;
• Number of people fully vaccinated—must not be more than number of people in the household.
Instructions
Modify the accompanied application so that it:
• Randomly populates information for one hundred households and store them in a linked list. It should be ensured that random generator correctly match region and town pairs as given above and enter valid data for rest of the fields.
• Once the linked list of 100 nodes is populated with valid random data, display the entire list as shown in the screenshots which follow.
• Don’t forget to display the serial number starting from 1 in every output on the console that gives list of records.
• Use a text-based menu driven interface to perform following actions based on user input in a loop.
A. Display records of only one:
a. Race
b. Region
c. Town
B. Display household information of:
a. Region and total Covid-19 cases tested positive per household over a threshold
b. Region and town-wise ranking of total people vaccinated
C. An option to add a record
a. The function must display the updated database after adding the record
D. An option to delete all records belonging to a triplet of a particular race, region, and town
a. The function must display updated database after deleting the record
E. Store updated data on a file
F. Display data from the file
G. Exit the program
• Use good naming conventions for all variables and functions.
• Use filing to store either in text or binary format.
• ADDING NEW FUNCTIONS OF YOUR OWN OR MAKING ANY CHANGES IN THE FILES WHICH HAVE BEEN INSTRUCTED NOT TO BE CHANGED WILL RESULT IN A DEDUCTION
Hint! For menu option F i.e., display data from the file, it is only required to display the data. You are not required to populate the linked list with the data you receive from the file. HOWEVER, remember random generator must populate a linked list and all other operations of deleting/updating the records should be on a linked list as detailed above.
LIST OF TASKS
Zipped file assign2ForStudents.zip is a complete CLION project, which includes header, implementation and client application files. It also gives list of TODOs that can view as shown below in CLION.
Complete all the tasks listed and ensure that the application works as demonstrated in the series of screenshots shown below.

Answers

A C program has to be implemented to store, analyze, and update COVID-19 information about the Greater Toronto Area (GTA) for the Ontario health ministry. The code has a number of implemented features, and several more need to be added to make it fully functional. The code mainly tests a student's ability to use linked lists.In terms of data collected, the following should be taken into account:Regions:
Peel
York
Durham
Towns:
For Peel:
Brampton
Mississauga
Other.


Number of people in the household — must be an integer greater than 0 and less than 12;
Number of people who tested positive for COVID-19 should not exceed the number of people in the household;
The number of people who are fully vaccinated should not be greater than the number of people in the household.The code needs to be changed as follows:Randomly populate data for one hundred households and store them in a linked list. The random generator should ensure that region and town pairs are correctly matched, as shown above, and that valid data is entered for the remaining fields.  Use a menu-driven text-based interface to perform the following actions based on user input in a loop:Display records for only one:
a. Race
b. Region
c. TownDisplay household information
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You would like to develop software that can detect 5 different animals from their pictures. These 5 animals include dog, cat, horse, pig, and cow. You decide to create the software using machine learning. Q1. (10pt) You want to formulate your problem as Tom Mitchell's Learning Problem. Fill the blank. Component Your Learning Problem Task Performance Measure Experience

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Component: Detection of 5 different animals from their pictures.

Your Learning Problem: To develop software that can accurately classify images of animals into one of the five categories: dog, cat, horse, pig, and cow.

Task: The task is to train a machine learning model to classify images into the specified animal categories.

Performance Measure: The performance measure would be the accuracy of the model in correctly identifying the animal category for a given image.

Experience: The experience is represented by a dataset of labeled images of animals, where each image is associated with the correct animal category.

To formulate the problem according to Tom Mitchell's Learning Problem framework, we need to identify the components of the problem. In this case, the problem involves detecting 5 different animals from their pictures. The learning problem is to develop software that can accurately classify images of animals into the specified categories. The task is to train a machine learning model to perform the classification task. The performance measure is the accuracy of the model in correctly identifying the animal category for a given image. Finally, the experience is represented by a dataset of labeled images of animals that will be used to train the model.

In conclusion, the learning problem in this scenario is to develop machine learning software that can accurately classify images of animals into five different categories. The performance of the software will be measured based on its accuracy in correctly identifying the animal category for each image. This problem will be addressed by training a machine learning model using a dataset of labeled animal images.

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IN C++
Your company wants to branch out into the graphics market with a drawing program. But none of you has ever programmed graphics before. To prove yourselves to the company, you decide to write a proof-of-concept application to show that you can overcome all of the processing headaches. You create an inheritance hierarchy like this: Shape | -------------------------------------------------- | | | 1D 2D 3D | | | ---------- ------------- ------------------- | | | | | | | Line Curve Circle Rectangle Sphere Cube Cone Each level adds either new methods -- new ways to achieve a behavior -- new attributes, or a simple abstraction to gather things more logically together. Your team leader suggests that a basic Shape should know it's name and a Point. OneD, TwoD, and ThreeD might simply be for logical abstraction. Each other class would add enough data members to draw itself (a second Point for a Line, two [or more] other Points for a Curve, a radius for a Circle, either a second Point or length and width for a Rectangle, etc.). As to behaviors (methods), all Shapes should know how to draw themselves. Of course, this being merely a proof-of-concept app -- and you not being able to do graphics with portable C++ -- you'll just have to skip that. You'll also need a Print method so the Shape can print its name and all pertinent data. For ease of use, you should also create any methods/operators you think might prove useful in the full application. But for speed of development, we'll leave them out here. (And, yes, the Print method will be useful even in a final application -- for debug printing ...to a file perhaps?) You decide on a menu-driven app which allows the user to select a shape from a series of sub-menus (for now these are most easily aligned with the hierarchy). When they've chosen a Shape, create it (perhaps dynamically?), and add it to a container for later processing. Other options from the main menu will be to print a list of all current Shapes (print their names), print all information about the current Shapes (print all their data), and remove a Shapefrom the list.
Shape
|
--------------------------------------------------
| | |
1D 2D 3D
| | |
---------- ------------- -------------------
| | | | | | |
Line Curve Circle Rectangle Sphere Cube Cone

Answers

C++ is a great language to use for creating graphics programs. To demonstrate that you can overcome all the processing headaches, you decide to write a proof-of-concept application for your business to enter the graphics market.

You build an inheritance hierarchy to accomplish this, starting with Shape and progressing to One-Dimensional, Two-Dimensional, and Three-Dimensional, with other classes like Line, Curve, Circle, Rectangle, Sphere, Cube, and Cone, each of which adds new features to the previous ones.

You will need to add enough data members to draw each class, for example, a radius for a Circle, a second Point for a Line, two [or more] other Points for a Curve, and either a second Point or length and width for a Rectangle, as well as methods for drawing the shapes and printing their names and attributes.

You can also create methods/operators for future use. You can create a menu-driven app that allows users to choose shapes and add them to a container for later processing, as well as print lists of all current shapes and remove shapes from the list.

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