2D cubic interpolation

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Kenvin Nguyen
Kenvin Nguyen 2020-9-1
回答： Shubham Khatri 2020-9-8
how to interpolate a point using 2D cubic interpolation
can you write codes to execute it?
  2 个评论
John D'Errico
John D'Errico 2020-9-1
Yes, I can. Can you? Have you bothered to look at the MATLAB tools that do interpolation? If not, then why not?

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Shubham Khatri
Shubham Khatri 2020-9-8
You can perform 2D Cubic interpolation using the function interp2 and specifying the method as ‘cubic’. For example, a general command would look like
Vq = interp2(X,Y,V,Xq,Yq,'cubic')
It returns interpolated values of a function of two variables at specific query points using cubic interpolation. The results always pass through the original sampling of the function. X and Y contain the coordinates of the sample points. V contains the corresponding function values at each sample point. Xq and Yq contain the coordinates of the query points.
For more information about interp2, please refer
https://www.mathworks.com/help/matlab/ref/interp2.html?s_tid=srchtitle#d120e638997

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