Fast Chebyshev Transform (1D)

Transfroms between nodal and spectral values.

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Updated Tue, 29 Mar 2005 11:33:43 +0000

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This script allows for fast transformation between nodal and spectral values at the Chebyshev-Gauss-Lobatto points by using the built-in functions fft/ifft. I've tested it with truncation as high as N=2^20 and it takes 1.7820 seconds. This script will handle an arbitrary number of data sets of the same length simultaneously.

Cite As

Greg von Winckel (2023). Fast Chebyshev Transform (1D) (https://www.mathworks.com/matlabcentral/fileexchange/4591-fast-chebyshev-transform-1d), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R14
Compatible with any release
Platform Compatibility
Windows macOS Linux

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Version Published Release Notes
1.0.0.0

Bug fixed in nodal-to-spectral transform