Pseudospectral Differentiation on an Arbitrary Grid

Version 1.0.0.0 (1.43 KB) by Greg von Winckel
Numerically differentiates a function on an arbitrary grid.
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Updated 21 Jul 2004

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This brief script computes the first order pseudospectal/collocation differentiation matrix for an arbitrary grid using the lagrange interpolation formula.

Cite As

Greg von Winckel (2026). Pseudospectral Differentiation on an Arbitrary Grid (https://uk.mathworks.com/matlabcentral/fileexchange/5515-pseudospectral-differentiation-on-an-arbitrary-grid), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R12
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Acknowledgements

Inspired by: DMSUITE

Version Published Release Notes
1.0.0.0