stack and append

[heberf]

I need a faster implementation of the kronecker product.  The one that comes 
with octave is in linear-algebra/kron.m and it's not suitable for me because my 
problem involves many large matrices.  I'm trying to rewrite it as an oct file.

A few weeks ago there was some discussion on this list of using stack and 
append 
as defined in dMatrix.h.  I'm pretty poor at C++ and I can't tell from reading 
that file how to implement it.  Could someone point out a function where either 
of these are used or send a few lines of an oct file so I can see how to do it?

Much thanks,
Heber Farnsworth



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