Fourier differentiation

Versión 1.0.0.0 (2,03 KB) por Zoltán Csáti
Fourier spectral differentiation of a periodic real function
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W = FOURIERDIFF(V,M,INTERVAL,N) returns the M-th derivative of function
V sampled at N (even) equidistant points on INTERVAL.
W = FOURIERDIFF(V,M,INTERVAL) returns the M-th derivative of function V
sampled at 128 equidistant points on INTERVAL.
W = FOURIERDIFF(V,M) returns the M-th derivative of function V sampled
at 128 equidistant points on the default interval [0 2*pi].
W = FOURIERDIFF(V) returns the first derivative of function V sampled
at 128 equidistant points on the default interval [0 2*pi].
M must be a non-negative integer and N must be even.
Note that the approximation is poor if V is not periodic.

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Zoltán Csáti (2024). Fourier differentiation (https://www.mathworks.com/matlabcentral/fileexchange/52642-fourier-differentiation), MATLAB Central File Exchange. Recuperado .

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1.0.0.0