BZDEV: mixed partial derivatives

From: facundo memoli (memoli@iie.edu.uy)
Date: Tue Feb 29 2000 - 19:12:37 EST

Hi Todd,

I'm in need of the feature mentioned in the subject.
It would be great (for me at least) to be able to write code like this:

Array< Pixel, Dim > A(shape), B(shape);
B = mixed22( A, anydim, anydim );

I must calculate mixed parial derivatives regardless of the dimension
(and numeric type stored) of the array, and in any pair of directions.
Currently it is posible to do similar things only with first order
partial derivatives, and with the laplacian.

Thanks a lot,
F.Memoli.

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