Re: assume an integer
- To: mathgroup at smc.vnet.net
- Subject: [mg22450] Re: assume an integer
- From: Brian Higgins <bghiggins at ucdavis.edu>
- Date: Wed, 8 Mar 2000 02:21:50 -0500 (EST)
- References: <89qgh4$ah5@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
In article <89qgh4$ah5 at smc.vnet.net>, Peter Jay Salzman <covenant at dirac.org> wrote: > hi all > > is it possible to have Mathematica assume a variable is an integer? i can't find an > example in the Mathematica book (book is for 3.0, but i'm using 4.0). > > what i'm getting at is: > Cos[m Pi] = (-1)^m > Sin[n Pi] = 0 > > etc. thanks! > pete > Pete, Try Simplify[Cos[m Pi], Element[m, Integers]] Brian > Sent via Deja.com http://www.deja.com/ Before you buy.