0 个投票

dt= 0.0001;
t = 0:dt:10;
ht= abs( (1/2*pi*j*t)*( exp(j*1460*pi*t) - exp(j*1450*pi*t)) );
plot(t,ht)
title(' plotting h(t)')
xlabel(' Time')
ylabel(' h(t)')
grid on
I want to plot this signal in Octave or Matlab, but it dosen't work, and I don't know why it dosen't plot.

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Adam Danz
Adam Danz 2023-7-19
编辑：Adam Danz 2023-7-19

0 个投票

ht= abs( (1/2*pi*j*t).*( exp(j*1460*pi*t) - exp(j*1450*pi*t)) );
% Add this ----------^
".*" is element-wise multiplication.
"*" is matrix multiplication and requires size-agreement between the two values you are multiplying.

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Abdullah Alasfour
Abdullah Alasfour 2023-7-19
thank you. Got the graph
Adam Danz
Adam Danz 2023-7-19
Looks like you're using the imaginary unit j. I initially thought j may have been a variable not included in your question. That doesn't impact the answer, just double checking that this is your intention.
Abdullah Alasfour
Abdullah Alasfour 2023-7-19
Yes, this was my intention

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