sintran - Fast Sine Transform

版本 1.0.0 (1.4 KB) 作者: Chen Eleven
Calculate the coefficient of sines for equal spaced samples between [0, pi]
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Given equal sampled data points [x0,x1,...,xn] between [0,pi], approximate it with sines
i.e. a0 sin(0x) + a1 sin(1x) + a2 sin(2x) + ... + an sin(nx)
return [a0, a1, a2, ... , an] when second input argument = 1.
anything else for [a0, a1, a2, ... , an] to [x0,x1,...,xn]
A - original data in columns
B - transformed data in columns
direction - set equal to 1 for nodal to spectral
anything else for spectral to nodal
Eleven Shiyi Chen
Contact: sc7825@nyu.edu/ shiyic61@gmail.com

引用格式

Chen Eleven (2024). sintran - Fast Sine Transform (https://www.mathworks.com/matlabcentral/fileexchange/106790-sintran-fast-sine-transform), MATLAB Central File Exchange. 检索来源 .

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参考作品: Fast Chebyshev Transform (1D)

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1.0.0