polyVal2D and polyFit2D
- 10 files
- 240 downloads
Often it's necessary to fit or evaluate a function with 2 dimensions. Use polyFit2D.m to fit a 2D polynomila to data and polyVal2D.m to evaluate it. Fun!
These functions are explained in detail here:
http://poquitopicante.blogspot.com/2013/03/horners-method-in-2d.html
They are also hosted in a Gist on Github here:
https://gist.github.com/mikofski/5159267
Cite As
Mark Mikofski (2019). polyVal2D and polyFit2D (https://www.mathworks.com/matlabcentral/fileexchange/41097-polyval2d-and-polyfit2d), MATLAB Central File Exchange. Retrieved .
Comments and Ratings (3)
Updates
| 1.1.0.0 | now with polyDer2D.m |
MATLAB Release Compatibility
Platform Compatibility
Windows macOS LinuxTags
Acknowledgements
Inspired by: 2D Weighted Polynomial Fitting and Evaluation, polyfitn
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Benjamin (view profile)
Rayane Karim (view profile)
assert(all((n+1)*(m+1)<=Npoints)......
'Degree must be smaller than number of data poiints.')
work also fine when Degree must be smaller "or equal" than number of data
Zoe (view profile)
Much better than the personal one I wrote.