Re: General--How to use "CoefficientList" command to get a matrice from a polynome?
- To: mathgroup at smc.vnet.net
- Subject: [mg69270] Re: General--How to use "CoefficientList" command to get a matrice from a polynome?
- From: dh <dh at metrohm.ch>
- Date: Mon, 4 Sep 2006 04:47:15 -0400 (EDT)
- References: <ed93tl$me$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
if you want an answer, you must formulate your question a bit more clear.
Daniel
abdou.oumaima at hotmail.com wrote:
> I'm trying to do the following:
> First of all, I have this polynome Psid[[n]]= (-1)^n Psip[[n]] + ksi Sum[M[[n',n]] . Psip[[n']], {n',0,CN}] + 0(ksi²). I need to get the matrix M.
>
> I put:
>
> CN=3;
> Psip={1,0,0};
> Psid={1.0000000000000000000 - 0.9443595442280599 ksi, 0.6356361712260359 ksi, 0.06956731675750103 ksi};
> M = CoefficientList[Psid, ksi].
>
> But it doesn't resolve me the problem :-(
>
> What to do please to find the M matrix.
>
> Any suggestion Please.
> Cheers.
> Lian.
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> Link to the forum page for this post:
> http://www.mathematica-users.org/webMathematica/wiki/wiki.jsp?pageName=Special:Forum_ViewTopic&pid=13214#p13214
> Posted through http://www.mathematica-users.org [[postId=13214]]
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