On Fri, 21 Dec 2012 10:39:34 -0800, Raymond Toy wrote:
>>>>>> "hvn" == hvn <huubvanniekerk at yahoo.com> writes:
>
> hvn> Hi,
> hvn> Using Scilab 5.4.0 on Linux, I wanted to calculate the square
> of a 3x3 hvn> matrix, and instead of hvn> following the rules of
> linear algebra by doing A11*A11+A12*A21+A13*A31 hvn> for the (1,1)
> element of the result, Maxima just arithmetically squared hvn> each
> element of the matrix. A multiplication of 2 unequal matrices did go
> hvn> well btw. So how do I get the correct square of a matrix?
>
> "? matrix" is your friend. It's not clear exactly what you did, but the
> documentation there says that A^2 squares the elements of a matrix, but
> A^^2 is the matrix product of A and A, which is probably what you
> wanted.
>
> Ray
Thank you. A^^2 is indeed what I wanted.