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(ksiÂ²). 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.

>

>

>

>

>

>

>

> 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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