Re: Asymptote mystery...
- To: mathgroup at smc.vnet.net
- Subject: [mg38869] Re: Asymptote mystery...
- From: "Steve Luttrell" <luttrell at _removemefirst_westmal.demon.co.uk>
- Date: Thu, 16 Jan 2003 03:21:28 -0500 (EST)
- References: <b032u1$mvn$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
For x<=0 your function evaluates to -1. Steve Luttrell "Mike Summers" <mike at miscanthus.net> wrote in message news:b032u1$mvn$1 at smc.vnet.net... > It seems to me that this: > > f[x] = (x + 2)/(Abs[x] - 2) > > > should show asymptotes at 2 & -2. > > Plot[Evaluate[f[x]], {x, -5, 5}] only shows the asymptote at 2. > > What am I doing wrong? > > Thanks-- Mike >