Re: Re: Problem with Eigenvalues[A]
- To: mathgroup@smc.vnet.net
- Subject: [mg12282] Re: [mg12224] Re: Problem with Eigenvalues[A]
- From: Joel Wagner <joel.wagner@epfl.ch>
- Date: Thu, 7 May 1998 18:51:20 -0400
Hi !
I tested your problem with Mathematica 2.2 an get the same message. I
also tried with Mathematica 3.0 and encountered no problem !
Joël
>JNicolau wrote:
>>
>> I don't understand what is the problem with
>>
>> Aÿa,0},{0,b}};
>> Eigenvalues[A];
>>
>> in the Mathematica 2.2 as I always have the message
>
>> Eigenvectors::eival: Unable to find all roots of the characteristic
>> polynomial.
>
>Joo:
>I don't get this problem with 3.01:
>
>Clear[a,b]
>
>Aÿa,0},{0,b}};
>Eigenvalues[A]
>
>{a,b}
>
>Did a or b have some values assgned?
>
>Allan
>
>
>--
>Allan Hayes
>Training and Consulting
>Leicester, UK
>hay@haystack.demon.co.uk
>http://www.haystack.demon.co.uk
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>fax: +44 (0)116 271 8642
>
>
>
>