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On 22 Dec 2000 04:50:45 -0500, Warp wrote:
>Rune <run### [at] iname com> wrote:
>:> Premultiply both sides by the inverse of [A]
>
>: You've lost me. Too tricky for me.
>
> Just calculate the inverse matrix of A and then multiply A*C (matrix
>multiplication, not item-by-item multiplication) and you'll get B.
>
> Calculating the inverse of a matrix is not a simple operation, though.
I think there's a can't-miss formula for the inverse of a 3x3 matrix, but
I don't remember it off the top of my head. And of course it doesn't work
for noninvertable matrices.
--
Ron Parker http://www2.fwi.com/~parkerr/traces.html
My opinions. Mine. Not anyone else's.
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