In "Analyzing Cyclical Data with FFT" example, how the frequency was calculated?

Y
Yisroel · Dec 5, 2020 · 1.9K views
Question
max freq = 1/2; %maximum frequency freq = (1: n/2 ) / (n/2) *maxfreq; %equally spaced frequency grid and how it can be calculated for other examples? is there a general equation or formula to calculate it?
Expert Answer
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Kshitij Singh PhD Expert
Answered Sep 12, 2026

If n is even, the following is equivalent to your code:

 

f = linspace(2/n, 1, n/2) * maxfreq;
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