
Re: matrix analysis: can I say matrix X=Y if I have AXA=AYA?
Posted:
Mar 10, 2004 6:15 PM


In article <QPL3c.225598$jk2.928031@attbi_s53>, Francis Harrington <f.harrington@comcast.net> wrote:
>Where has my reasoning gone wrong here? Suppose all matrices are square, >and that AXA = AYA is true. If I pre and postmultiply both sides by Ainv, >I get X = Y. Thanks for your advice on this.
What if A does not have an inverse?
 Richard

