Message-ID: <006001c30a84$0888cdd0$8bd75ba5@IE.TAMU.EDU>
Date: 2003-04-24T17:07:43Z
From: Feng Zhang
Subject: Matrix Equation Help?
Dear R-listers
Now I have a Matrix Equation to solve,
A -- m by n matrix, where n>>m, known matrix;
X -- n by m unknown matrix;
B -- m by m known matrix.
So given the equation A*X=B, how to solve X?
I first tried to take X = inv((A'*A))*A'. But since
A'*A is singular, this is no way to go.
Please give me some point on this.
Thanks
Fred