How do I find the frequency of a Sine wave input by a user?

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Saad on 11 Apr 2014

Edited: Randy Souza on 11 Apr 2014

I am a beginner in MATLAB .

I am trying to take an input from user i.e a sine wave, and want my code to calculate its frequency.

If the user gives the input as...

x=sin(2*pi*1000*t) %%%%here 1000 is the frequency....

...how do I extract the frequency?

please help me

Alberto on 11 Apr 2014

you should check the help document about fft (Fast Fourier Transform)

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