I have a file saved in matlab workspace. I want to find out the FFT of that stored data? How can i do that

I have a simulink scope data stored in Matlab Workspace. i wan to find out the FFT of that stored data which contains time and Signal values. Please help me.

Answer 1

[Fangjun Jiang]

There is a MATLAB function called fft().

help fft

[Sachin Hegde]

Thank you for your answer. I have tried using that. For Explanation, I have the time stored in a varibale "t" and values of the signals are stored in variable "d". What code should I write if I want to compute FFT Analysis as shown with the attached Image.