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Message from discussion eigenvalues of A
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Gerry Myerson  
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 More options Nov 5 2009, 3:09 am
Newsgroups: sci.math
From: Gerry Myerson <ge...@maths.mq.edi.ai.i2u4email>
Date: Thu, 05 Nov 2009 14:09:20 +1100
Local: Thurs, Nov 5 2009 3:09 am
Subject: Re: eigenvalues of A
In article
<5da73f76-99b2-455e-8788-0034cc6d9...@t2g2000yqn.googlegroups.com>,
 G Patel <gaya.pa...@gmail.com> wrote:

> true or false.... eigenvalues of A are same as eigenvalues of kA

true if k = 1 and in some other fairly trivial cases, false most of
the time. If I is the identity matrix, are the eigenvalues of I
the same as the eigenvalues of 2I?

> (because if v is eigenvector for A, then kv is eigenvector for kA)

I'm not familiar with this use of the word, "because."

--
Gerry Myerson (ge...@maths.mq.edi.ai) (i -> u for email)


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