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

hi matt...

to perform G-J elimination using an application is actually computationally

expensive...

there are better methods for what you want to achieve... i am currently at

work and i do not have any of my references with me, but if you contact me

via nik@isysglobal.com i will provide you with the solution you are looking

for.

cheers

nik

"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