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version (1.09 KB) by Suraj Kamya
DFT and DCT without using inbuilt function for 1-D signal

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Updated 07 May 2014

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Code provided here works for 1-D signal. If you want to process it for 2-D signal (ex. GrayScale Image) first process the signal row wise and after that column wise.

Cite As

Suraj Kamya (2020). DFT & DCT (, MATLAB Central File Exchange. Retrieved .

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MATLAB Release Compatibility
Created with R2013b
Compatible with any release
Platform Compatibility
Windows macOS Linux