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 Post subject: RBF for 3D points
PostPosted: Sat Mar 07, 2015 6:01 pm 
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Joined: Sat Mar 07, 2015 5:51 pm
Posts: 1
Im trying to use RBF interpolation to model a variable U = f(x,y,z), where U is a scalar value, and (x,y,z) belongs to a set of 3D points.

If I understand correctly such model can be creatd as follows:

alglib.rbfmodel Umodel;
alglib.rbfcreate(3, 1, out Umodel);

However, I don't know how to add the data set, since the function alglib.rbfsetpoints(Umodel, dataset); only seems to supports a bi-dimensional array for dataset.

Best regards,
Roberto Aguirre Maturana
La Serena, Chile.


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 Post subject: Re: RBF for 3D points
PostPosted: Fri Mar 20, 2015 11:05 am 
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Joined: Fri Mar 20, 2015 11:02 am
Posts: 1
However, I don't know how to add the data set, since the function alglib.rbfsetpoints(Umodel, dataset); only seems to supports a bi-dimensional array for dataset.



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