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version 1.0.1 (2.14 KB) by Dr. Erol Kalkan, P.E.
Computes integration of discrete time-signal in frequency domain


Updated 13 Feb 2019

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Robust MatLAB function to integrate discrete time-signal in frequency domain by dividing its Fourier spectrum with -iw (w = cyclic frequency); also see diffFD (frequency-domain differentiation function).

Cite As

Dr. Erol Kalkan, P.E. (2020). inteFD (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (8)

Works really well, Sir.
Thank You

You may check DSP books for spectral domain analyses.

Long Huang

Dear sir, can you provide any references?



added "enforce input as row vector" to prevent errors if the user has a column input.

Description is updated

MATLAB Release Compatibility
Created with R2012b
Compatible with any release
Platform Compatibility
Windows macOS Linux