Question

Write and upload a MATLAB script to do the following.

Compute the sequence S(n+1) = (2 – K) S(n) – S(n-1) ; Assume S(1) = 0, S(2) = 1;

(a) Case 1, Assume K = 1

(b) Case 2, Assume K = 2

(c) Case 3, Assume K = 4

Plot all of these on the same plot, for N = 1 to 20

Answer #1

Write Matlab script to plot the spectrum (-? to ? radians) of
DTMF signal for keys 1, A and B. Choose an appropriate sampling
frequency. The DTMF frequencies are indicated in table
1.
Critically analyze the design specification.
Row/column
1209HZ
1336Hz
1477HZ
1633HZ
697
1
2
3
A
770
4
5
6
B
852
7
8
9
C
941
*
0
#
D
Write Matlab script to plot the spectrum (-? to ? radians) of
DTMF signal for...

1. Write a MATLAB function to determine the discrete-time
Fourier Transform (H(?)) of the following sequence. Plot its
magnitude and phase. You can use the dtft command and use the abs,
angle and plot commands to plot the results.
x(n) = {4, 3, 2, 1, 2, 3, 4}.
2. Analytically determine H(z) and plot its magnitude and phase
for the following system using freqz.
y(n) = 2x(n) + x(n ? 1) ? 0.25y(n ? 1) + 0.25y(n ? 2).
3....

1. Write a MATLAB script, by hand, on this page, that calculates
the nth degree Taylor expansion of cos x and then compares the plot
of this expansion to the original function. In one of your first
lines, you may fix n (e.g., n = 6) but the remainder of the code
should refer to n.

Write a matlab script file to solve the differential equation
dy/dt = 1 − y^3 with initial condition y(0)=0, from t=0 to t=10.
matlab question

Write a Matlab script that plots the following functions over 0
≤ x ≤ 5π:
f1(x) = sin2 x − cos x,
f2(x) = −0.1 x 3 + 2 x 2 + 10,
f3(x) = e −x/π ,
f4(x) = sin(x) ln(x + 1).
The plots should be in four separate frames, but all four frames
should be in one figure window. To do this you can use the subplot
command to create 2 × 2 subfigures.

1- Create a new script that is called HW9.m and save it. The
script will do the following. Test your code for each of the cases
and upload your script as a .m file. [15 points]
a. Create a random integer numbers that goes from 0 to 5 and
assign it to a variable y using rand and round commands. Hint: Note
that rand function only creates random number between 0 and 1. You
need to scale the values to...

Using the Script:
function EulerMethod1(n)
X = 0 : 1/n : 1 ;
Y = zeros( 1, n + 1 ) ;
Y(1) = 1 ;
for k = 1 : n
m = Y(k) ;
Y(k + 1) = Y(k) + m*( X(k + 1) - X(k) ) ;
end
clf
plot( X, Y )
Create a new script, which defines the function
EulerMethod2. The purpose of EulerMethod2 is to use Euler's Method
to approximate the solution to the...

Write a R script where you answer the following questions:
1. Consider Y ∼ Binom(n = 10, p = 0.05).
Find the following probabilities: (a) P(2 < Y < 5) (b) P(2
≤ Y ≤ 5) (c) P(Y < 9)
2. Consider Y ∼ P oisson(λ = 0.5).
Find the following probabilities: (a) P(Y = 5) (b) P(2 ≤ Y ≤ 5)
(c) P(Y < 9)
3. Consider Y ∼ N(µ = 3, σ2 = 1).
Find the following probabilities:...

In Matlab:
Given the script:
x = 1;
x = fun(x-1);
y = x-1
and the function:
function y = fun(x)
x = x-1;
y = x-1;
end
What is the output
a) -2
b) -4
c) -3
d) -1

Write a script to display numbers from 1 to n, where n is an
integer provided by users (if not, default to 10). Hint: use “read”
command to accept user input.
a) Display the source code in an editor (#4-9)
b) Execute your script in the terminal, and display the command
and the result (#4-10)

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