Re: What am I doing wrong with this code?
- To: mathgroup at smc.vnet.net
- Subject: [mg82550] Re: What am I doing wrong with this code?
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 24 Oct 2007 04:30:53 -0400 (EDT)
- Organization: Uni Leipzig
- References: <ffkffr$spa$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, (1/5 -1)^(1/2) is complex ?? In Matheamtica 5.x you can only plot the second function in the interval y in (0,1] Regards Jens sean_incali wrote: > I think I'm having a brain fart. Seriously... > > Plot[{1/(1 + y^2), (1/y - 1)^(1/2)}, {y, 0, 5}] > > What is wrong with that code? Maybe it's not solvable in mathematica? > > I'm trying to plot nullclines of a system of ODEs. and those function > up there are them. I just can't get mathematica to plot them in the > same graph. > > I get an error message saying... > >>From In[22]:= > (1/y - 1)^(1/2) is not a machine-size real number at y = > 1.0000001666666667`. > > Any help is appreciated. > > sean > >