Need Help with FFT

I am very new to Matlab and i know this question has been asked many times before but i have been having problem understanding the Matlab language.

So I have a set of data Power vs Time in an excel sheet and i want to convert that from time domain to frequency domain and plot it. how can i do so. please help

Answer 1

[Daniel kiracofe]

Here's a little tutorial I wrote that may help get you started. http://www.mechanicalvibration.com/Making_matlab_s_fft_functio.html