What am I doing wrong. My frequency should be like the picture.

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Jorje German 2020-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/591433-what-am-i-doing-wrong-my-frequency-should-be-like-the-picture

评论： Jorje German 2020-9-12

采纳的回答： Ameer Hamza

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my simulation looks like this

and below is my code.

clc
clear all
a = 2;
b = 3; 
c = 0.25;
d = 1;
SimData = sim('Jgerman_Part_a_Model');
Yvals=SimOut;
Xvals=TimeOut;
figure()
plot(Xvals,Yvals)
grid
title('Problem 1.2a Simulated Output')
xlabel('Time')
ylabel ('Output Amplitude')

plot looks like this but it doesn't match to the expected graph below.

What exactly am I doing wrong.

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Jorje German 2020-9-12

Thank you very much

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采纳的回答

Ameer Hamza 2020-9-10

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https://ww2.mathworks.cn/matlabcentral/answers/591433-what-am-i-doing-wrong-my-frequency-should-be-like-the-picture#answer_492451

Double-click the "Sine Wave" block and set the frequency to 2*pi.

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Simulink

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R2020a

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