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From: "Pinpress" <nothing@nothing.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Solving AM = MB
Date: Sat, 22 Nov 2008 20:44:02 +0000 (UTC)
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I see -- sorry I overlooked.

So here is my real problem to solve:

I have many equations like:

X*A1 = B1*X;
X*A2 = B2*X;
 etc.

And I know X is orthogonal, because it is a rigid transformation matrix. How do I construct or recover a sensible X from these equations? Thanks for any input.

"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <gg9ql5$6va$1@fred.mathworks.com>...
> "Pinpress" <nothing@nothing.edu> wrote in message <gg9pp2$q6m$1@fred.mathworks.com>...
> 
> > However, checking XA and BX, they are indeed equal. So it makes me think that the solution is not unique.  Any inputs here?
> 
> That why I wrote:
> % All combination of M(n,n,:) is solution
> 
> Bruno