FunctionExpand bug. Serious.
- To: mathgroup at smc.vnet.net
- Subject: [mg25656] FunctionExpand bug. Serious.
- From: Jack Goldberg <jackgold at math.lsa.umich.edu>
- Date: Wed, 18 Oct 2000 02:52:27 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
I posted a bug notice and someone was kind enough to point
out an error in my polynomial example. The bug appears in
using FunctionExpand on
p[x] = x^6-x^4+2x^2-10
FunctionExpand[ UnitStep[p[x]] ]
returns 0 when it should return a sum of 2 two UnitSteps.
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