Computer Networking: A Top-Down Approach (7th Edition)
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ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Please help me with the exercise 5
using matlab
![Exercise 5: Unit step function (for command)
(a) Plot the following unit step function between -20 to +20 with step
size 0.01
u(t)=1 t < 0
u(t)=0 t≥0
(b) Restrict the plot between -5 and +15 on x-axis and −1.5 to +1.5
by using axis command
axis([-5 +15 -2 +2]). Also write your IDs in the title
Hint: Some helpful commands
%%Step size and timing%%%
T1=-20;
T2=20;
Dt=0.01;
%% Definition of Unit step
signal %%%
n=1;
for t-T1: Dt: T2
if t<0
T (n)=t;
U (n) = 0;
n=n+1;
end
if t>=0
T (n)=t;
U (n)=1;
n=n+1;
end
end
(1)
1.5
1
0.5
0
-0.5
-1
-1.5
-5
0
ID 4111111, 3111111
U(t)
5
Time (seconds)
1
10
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Part b
Add following command after the plot to adjust the axis. Put your IDs
in title
axis ([-5
+15 -1.5 +1.5])
0.2
0.1
0
-20
-15
-10
Unit Step Function
15
0
Time (seconds)
-5
5
10
15
20](https://content.bartleby.com/qna-images/question/80c3b3ad-65a0-4555-a562-b78f9d88ad4e/6bb5b85d-b25e-4960-bdfe-897afc7d1be4/slzbqt_processed.jpeg)
Transcribed Image Text:Exercise 5: Unit step function (for command)
(a) Plot the following unit step function between -20 to +20 with step
size 0.01
u(t)=1 t < 0
u(t)=0 t≥0
(b) Restrict the plot between -5 and +15 on x-axis and −1.5 to +1.5
by using axis command
axis([-5 +15 -2 +2]). Also write your IDs in the title
Hint: Some helpful commands
%%Step size and timing%%%
T1=-20;
T2=20;
Dt=0.01;
%% Definition of Unit step
signal %%%
n=1;
for t-T1: Dt: T2
if t<0
T (n)=t;
U (n) = 0;
n=n+1;
end
if t>=0
T (n)=t;
U (n)=1;
n=n+1;
end
end
(1)
1.5
1
0.5
0
-0.5
-1
-1.5
-5
0
ID 4111111, 3111111
U(t)
5
Time (seconds)
1
10
0.9
0.8
0.7
0.6
0.5
0.4
0.3
Part b
Add following command after the plot to adjust the axis. Put your IDs
in title
axis ([-5
+15 -1.5 +1.5])
0.2
0.1
0
-20
-15
-10
Unit Step Function
15
0
Time (seconds)
-5
5
10
15
20
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