Re: Problem with Eigenvalues[A]
- To: mathgroup@smc.vnet.net
- Subject: [mg12224] Re: Problem with Eigenvalues[A]
- From: Allan Hayes <hay@haystack.demon.co.uk>
- Date: Fri, 1 May 1998 03:09:11 -0400
- References: <6hpf2v$deg@smc.vnet.net>
JNicolau wrote:
>
> I don't understand what is the problem with
>
> A={{a,0},{0,b}};
> Eigenvalues[A];
>
> in the Mathematica 2.2 as I always have the message
> àEigenvectors::eival: Unable to find all roots of the characteristic
> polynomial.
João:
I don't get this problem with 3.01:
Clear[a,b]
A={{a,0},{0,b}};
Eigenvalues[A]
{a,b}
Did a or b have some values assgned?
Allan
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