Various Fast Fourier Transform Implementations

Benchmarking of Various FFT Algorithm Implementations Based on Execution Time.

Versione 1.1.0.1 (21 KB)
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11 mag 2019

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The following FFT implementations are provided: 1) Radix-2 DIT Recurcive FFT, 2) In-Place Radix-2 DIT Iterative FFT, 3) Radix-2 DIT FFT, 4) Radix-4 DIT FFT, 5) Radix-2 DIT Iterative mex-coded FFT, 6) Split-Radix DIT FFT, 7) Radix-2 DIF FFT. DIT = Decimation In Time, DIF = Decimation In Frequency.

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Ilias Konsoulas (2026). Various Fast Fourier Transform Implementations (https://it.mathworks.com/matlabcentral/fileexchange/40097-various-fast-fourier-transform-implementations), MATLAB Central File Exchange. Recuperato .

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1.1.0.1

I have updated only the title of this contribution for better public visibility.
1.1.0.0

I have improved dif_fft.m and rec_fft.m by killing some unneeded for loops. I also have included an FFT implementation (both in matlab and mex-coded) found in "Numerische Mathematik kompakt" by Robert Plato.
I have only modified the title of this submission.
1.0.0.0