Fast Chebyshev Differentiation
Computes the numerical derivative on the Chebyshev grid.
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This script numerically differentiates a function on the Chebyshev-Gauss-Lobatto grid in O(N*log(N)) time. Equivalent to computing D*x where D is the Chebyshev collocation matrix, but much faster for large vectors x.
Cite As
Greg von Winckel (2026). Fast Chebyshev Differentiation (https://in.mathworks.com/matlabcentral/fileexchange/8481-fast-chebyshev-differentiation), MATLAB Central File Exchange. Retrieved .
Acknowledgements
Inspired: ORTHPOLYFIT, ORTHPOLYVAL
General Information
- Version 1.0.0.0 (1.69 KB)
MATLAB Release Compatibility
- Compatible with any release
Platform Compatibility
- Windows
- macOS
- Linux
| Version | Published | Release Notes | Action |
|---|---|---|---|
| 1.0.0.0 |
