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polyVal2D and polyFit2D

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polyVal2D and polyFit2D

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03 Apr 2013 (Updated )

Evaluate 2D polynomials using Horner's method. Fit 2D polynomials to data using backslash operator.

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Description

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

Acknowledgements

2 D Weighted Polynomial Fitting And Evaluation and Polyfitn inspired this file.

Required Products MATLAB
MATLAB release MATLAB 8.0 (R2012b)
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Comments and Ratings (1)
17 Oct 2013 Zoe

Much better than the personal one I wrote.

Updates
18 Apr 2013

now with polyDer2D.m

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