Proof help.
Maths and statistics discussion, revision, exam and homework help.
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Proof help.I have attached a proof below and just wondering whether someone could explain to me the last part. I don't understand why
is a zero of 
? is the minimum polynomial and Z is the zero matrix.
EDIT:
is the characteristic polynomial.
Last edited by JBKProductions; 15-05-2012 at 23:18. -
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Re: Proof help.Thanks for the reply, but where does x^n come from? I don't know how that got there.(Original post by Zhen Lin)
It's not
that is a zero, but 
, and that's zero because you can just substitute it in!
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Re: Proof help.Because,(Original post by JBKProductions)
Thanks for the reply, but where does x^n come from? I don't know how that got there.
, and the characteristic polynomial of a 
zero matrix is 
.
