Fourier Coefficient Conversion

Version 1.0.0.0 (1.63 KB) by Sebastian W
Converts Fourier Coefficients from exponential to cos/sin and the other way around.
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Updated 13 Mar 2012

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[a, b] = FOURIERexp2cossin(c)
Calculate the cos (a) & sin (b) coefficients of the exponential
Fourier coefficients (c) returned by fft(x)/size(x,1),
while isreal(x) = true
needs the unshifted coefficients as input

c = FOURIERcossin2exp(a, b)
Calculate the exponential Fourier coefficients (c) of the
cos (a) & sin (b) coefficients while a(1) = a0 ...
gives back the unshifted coefficients

Cite As

Sebastian W (2026). Fourier Coefficient Conversion (https://www.mathworks.com/matlabcentral/fileexchange/35607-fourier-coefficient-conversion), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2011b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes
1.0.0.0