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

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.

Answer 1

[Cris LaPierre]

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