3D interpolation with interp3

2014 9 20
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更新时间：2014 9 20
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Hi,
I have three dimensional scattered data and want to interpolate my data on X-Y-Z space, but when I use 'spline' method or 'cubic' method matlab error occurs:
"Insufficient finite values to interpolate."
It says that I must have at least 4 points in each dimension and I have, then where is the problem?
My gridmesh is 21x21x21 and I have 4 sample points in X, Y and 21 sample points in Z for each X,Y.
Thanks,
Rafet

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Matt J
Matt J 2014-9-20

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interp3 isn't meant for scattered data. You should be using scatteredInterpolant.

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