Re: expand the right-hand side on the basis of the eigenvectors of the matrix
From: Gordo (gordo20878_at_hotmail.com)
Date: 09/19/04
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Date: Sun, 19 Sep 2004 12:41:09 GMT
Taglit wrote:
> I have a problem: Ax=b, where
> A = [ 1001 1000;
> 1000 1001]
> b = [ 2001;
> 2001]
> a small change of b db = [1;
> -1]
> Could somebody explain why the small variation in the right hand side
> produces large variations in the solution?
> Here is a hint: expand the right-hand side on the basis of the
> eigenvectors of the matrix.
A is badly conditioned. Hint: plot the two equations.
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