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How do I use the command fft(x) to compute the DFT of a vector x that is defined over (0≤n≤N0-1).

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John Marl on 3 Dec 2018

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Edited: Cris LaPierre on 4 Dec 2018

The signal is x(t)=cos(10t) with sampling rate of 50 HZ.

I just having trobule on how to set up this signal into matlab.

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Cris LaPierre on 4 Dec 2018

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Edited: Cris LaPierre on 4 Dec 2018

Start by looking at the examples here. You will likely find the rest of the page helpful as well.

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