If speed is any issue, change the polynomial p by p:rat(r) and use ratcoef.
RJF
----- Original Message -----
From: Daniel Lakeland <dlakelan at street-artists.org>
Date: Tuesday, August 7, 2007 2:50 pm
Subject: Re: [Maxima] Convert Polynomial to Vector
> On Tue, Jul 31, 2007 at 01:19:17PM -0400, Bartlett, Charles S. wrote:
> > How can I convert a polynomial to a vector in Maxima? i.e. the
> vector> contains the coefficients of the polynomial.
>
> example:
>
> (%i1) 1+x+x^2-x^3;
> 3 2
> (%o1) - x + x + x + 1
> (%i2) makelist(coeff(%,x,i),i,0,hipow(%,x));
> (%o2) [1, 1, 1, - 1]
>
>
>
> --
> Daniel Lakeland
> dlakelan at street-artists.org
> http://www.street-artists.org/~dlakelan
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