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Comments and Ratings by Ignacio
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06 Apr 2011 Surface Fitting using gridfit Model 2-d surfaces from scattered data Author: John D'Errico

Really good

One way of using gridfit just for interpolation is :
- Use gridfit in the whole grid zifit=gridfit(X,Y,Z,xi,yi)
- Use griddata in the same grid
- Use isnan to know which elements are NaN in zidata, and apply it to zifit

At least for me it worked
- Use a isnan(griddata) to know which points are inside the original data, and apply it to the points created with gridfit

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