Re: Matrices,Matrix Non-Square Equations, Matrix Determinants, Linear Equations, Cramer's Rules, and

try www.nr.com.

they do have very clear explaination of the algorithm you need. if you want,

you can also copy their code.

good luck.

"Matt T." <tamayomz@hotmail.com> wrote:

>

>For a Science Fair I am trying to write a program that will a system (equation)

>of 3 matrices of which only one is a square matrix:

>

>[4 x 5] [5 x 4] = [4 x 4] Matrix

>Inverses cannot be used. There is no inverse of non square matrices.

>I may just settle for square matrices. Does anyone know a short algortihm

>to calculate the determinant of a matrix? The inverse would be nice but

>if it just the determinant that is fine.

>If anyone know of Gauss[-Jordan] elimination algortihms for systems of equations

>please say something. I would really appreciate.

>

>Thanks,

>Really Big Headache