Plotting frequency with different vector error
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I am trying to plot a frequency graph with the center at the origin but I keep getting the error that the two vectors are different lengths. Is there anyway to fix this?
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Walter Roberson
2020-9-9
What input are you using? When I tried in R2020a on Mac and used 'hello' as the ASCII input, I had no problem.
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Amrtanshu Raj
2020-9-11
Hi,
To get the desired shift so that the graph is symmetric about the origin, you can make the following changes in your code where you plot the ‘freq’ variable:
sz = length(freq)/2;
k = [-sz:-1,1:sz];
plot(k,abs(freq));
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