bug in CoefficientArrays?
- To: mathgroup at smc.vnet.net
- Subject: [mg43923] bug in CoefficientArrays?
- From: Mark Fisher <mark at markfisher.net>
- Date: Sun, 12 Oct 2003 04:03:43 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
FYI: This looks like a bug to me:
In[77]:=
poly=a+(1-b)(c-d)x-e y;
{m0,m1}=CoefficientArrays[poly,{x,y}];
m0+m1.{x,y}-poly//Simplify
Out[79]=
(d-b d+c (-1+b+b d)) x
--Mark