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Plot Magnitude of a Sequence in Matlab
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Consider a sequence x[n]={1,-1,1,-1}.
Please help in determining how to use the function fft to find the DFT coefficients X[k] of x[n] in Matlab. Also, how would you plot the magnitude of X[k] in Matlab?
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Solution Summary
This solution explains how to determine the use of the function fft to find the DFT coefficients.
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The DFT in Matlab is done by function fft (see a reference page from Matlab Help in the attached Word file).
The Fourier transform is ...
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