Re: change of a coefficient in a polynomial
- To: mathgroup at smc.vnet.net
- Subject: [mg44806] Re: change of a coefficient in a polynomial
- From: bobhanlon at aol.com (Bob Hanlon)
- Date: Thu, 27 Nov 2003 11:38:38 -0500 (EST)
- Organization: AOL http://www.aol.com
- References: <bpurvg$oc7$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
p[x_]:=c[0]+c[1] x+c[2] x^2; p1[x_] := Evaluate[ReplacePart[p[x], -p[x][[1]], 1]]; p1[x] c[2]*x^2 + c[1]*x - c[0] Bob Hanlon In article <bpurvg$oc7$1 at smc.vnet.net>, Paolo Bientinesi <pauldj at cs.utexas.edu> wrote: << assume you are given a polynomial p[x_] := c[0] + c[1] x + c[2] x^2 .... and you want to generate a polynomial p1[x] from p[x] changing one coefficient only, like: p1[x_] := -c[0] + c[1] x + c[2] x^2 Is there any other way other than the obvious CoefficientList solution? >><BR><BR>