diffxy
In its simplest usage DIFFXY uses a second-order accurate scheme to approximate the derivative of a vector y with respect to a vector x. It differs from existing functions in the following ways:
- returns dydx having the same size as y (unlike DIFF which reduces the dimension by 1)
- special treatment of end-points for higher accuracy
- specifically built to handle unequally spaced data
DIFFXY also has the following capabilities
- x and y can be N-dimensional arrays
- operate on chosen dimension of N-d arrays
- computes higher-order derivatives via iteration
See the Help section and demo file for examples and further information.
Please suggest any improvements/report any bugs either in the comments or via email.
Citation pour cette source
Darren Rowland (2024). diffxy (https://www.mathworks.com/matlabcentral/fileexchange/29312-diffxy), MATLAB Central File Exchange. Récupéré le .
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- MATLAB > Mathematics > Linear Algebra >
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Version | Publié le | Notes de version | |
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1.2.0.0 | 9 Nov 2010 - minor update to demo file to correct figure legend and screenshot |
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1.0.0.0 |