Fast Chebyshev Differentiation
版本 1.0.0.0 (1.7 KB) 作者:
Greg von Winckel
Computes the numerical derivative on the Chebyshev grid.
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.
引用格式
Greg von Winckel (2024). Fast Chebyshev Differentiation (https://www.mathworks.com/matlabcentral/fileexchange/8481-fast-chebyshev-differentiation), MATLAB Central File Exchange. 检索来源 .
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启发作品: ORTHPOLYFIT, ORTHPOLYVAL
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1.0.0.0 |