RFC: extracting coefficients of a multivariate polynomial
Subject: RFC: extracting coefficients of a multivariate polynomial
From: Stavros Macrakis
Date: Thu, 24 Apr 2008 15:57:13 -0400
On Thu, Apr 24, 2008 at 3:16 PM, andre maute <andre.maute at gmx.de> wrote:
> I did some timings for my application with the new functions (see below)
> and the old one posted in the first mail....
>
> my_coeff2(v,exps,poly) := block(
> [c,k,l,h,rpoly],
> rpoly : rat(poly,v),
>
Where are these polynomials coming from? Can you convert them to rat form
*once* instead of each time you call my_coeff?
-s