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]] > >