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MATLAB QUESTION: Write a script that produces both figures below. you can use th

ID: 3600244 • Letter: M

Question

MATLAB QUESTION:

Write a script that produces both figures below.

you can use the given script below to help.

Use 10000 for n. Use 0.4 as the standard deviation for the normal distribution.

GIVEN SCRIPT:

% Script File: Eg6_1
% Pi computation with uniform and normal distributions

% Initializations
n = 10000; rand('seed',0); randn('seed',0);

% Throw Darts Uniformly...
x = -1+2*rand(n,1);
y = -1+2*rand(n,1);
Hits = 0;
for k=1:n
% Check the k-th dart throw...
if x(k)^2 + y(k)^2 <= 1
Hits = Hits + 1;
end
end
piEstU = 4*(Hits/n);

% Throw Darts with Aiming...
sigma = .4;
x = sigma*randn(n,1);
y = sigma*randn(n,1);
Hits = 0;

nSquare = 0;
for k=1:n
% Check the k-th dart throw...
if abs(x(k))<=1 && abs(y(k))<=1
nSquare = nSquare + 1;
if x(k)^2 + y(k)^2 <= 1
Hits = Hits + 1;
end
end
end
piEstN = 4*(Hits/nSquare);

% Display the estimates...
clc
fprintf('n: %1d ',n)
fprintf('Pi Estimate via Uniform Distribution: %7.5f ',piEstU)
fprintf('Pi Estimate via N(0,%5.2f) : %7.5f ',sigma,piEstN)

FIGURES

Figure 6.3. Estimating via Uniformly Thrown Darts.

Explanation / Answer

Option Infer Off

Public Class MainForm
    ' declare class-level variable
    Private points As Integer = 10


    Private Sub exitButton_Click(sender As Object, e As EventArgs) Handles exitButton.Click
        Me.Close()
    End Sub

    Private Sub goalTextBox_KeyPress(sender As Object, e As KeyPressEventArgs) Handles goalTextBox.KeyPress

        ' accept only numbers and the Backspace Key

        If (e.KeyChar < "0" OrElse e.KeyChar > "9") AndAlso e.KeyChar <> ControlChars.Back Then
            e.Handled = True
        End If
    End Sub

    Private Sub rollButton_Click(sender As Object, e As EventArgs) Handles rollButton.Click
        ' simulates the Lucky Number Game
        Dim randGen As New Random
        Dim random1 As Integer
        Dim random2 As Integer

        'remove images
        firstDiePictureBox.Image = Nothing
        secondDiePictureBox.Image = Nothing

        'disable Roll 'Em button
        rollButton.Enabled = False

        'refresh form and then delay execution
        Me.Refresh()
        System.Threading.Thread.Sleep(1000)

        'generate two random integers from 1 through 6
        random1 = randGen.Next(1, 7)
        random2 = randGen.Next(1, 7)

        'display appropriate image in firstDiePictureBox
        Select Case random1
            Case 1
                firstDiePictureBox.Image = dot1PictureBox.Image
            Case 2
                firstDiePictureBox.Image = dot2PictureBox.Image
            Case 3
                firstDiePictureBox.Image = dot3PictureBox.Image
            Case 4
                firstDiePictureBox.Image = dot4PictureBox.Image
            Case 5
                firstDiePictureBox.Image = dot5PictureBox.Image
            Case Else
                firstDiePictureBox.Image = dot6PictureBox.Image
        End Select

        'display appropriate image in secondDiePictureBox
        Select Case random2
            Case 1
                secondDiePictureBox.Image = dot1PictureBox.Image
            Case 2
                secondDiePictureBox.Image = dot2PictureBox.Image
            Case 3
                secondDiePictureBox.Image = dot3PictureBox.Image
            Case 4
                secondDiePictureBox.Image = dot4PictureBox.Image
            Case 5
                secondDiePictureBox.Image = dot5PictureBox.Image
            Case Else
                secondDiePictureBox.Image = dot6PictureBox.Image
        End Select

        'check sum of random numbers
        If random1 + random2 = 7 Then
            Dim count As Integer = 1
            Do While count <= 10
                numberLabel.Visible = Not numberLabel.Visible
                Me.Refresh()
                System.Threading.Thread.Sleep(200)
                count += 1
            Loop
            points += 2
        Else
            points -= 1
            If points = 0 Then
                MessageBox.Show("Sorry, you lost all of your points!" &
                                "Click the Start Over button to try again.",
                                "Lucky Number Game", MessageBoxButtons.OK,
                                MessageBoxIcon.Information)
            End If
        End If
        ' display points
        pointsLabel.Text = points.ToString
        ' enable Roll ' Em button
        rollButton.Enabled = True

    End Sub

    Private Sub startOverButton_Click(sender As Object, e As EventArgs) Handles startOverButton.Click
        ' start a new game

        points = 10
        pointsLabel.Text = points.ToString
        firstDiePictureBox.Image = Nothing
        secondDiePictureBox.Image = Nothing

    End Sub