Re: What am I doing wrong with this code?

*To*: mathgroup at smc.vnet.net*Subject*: [mg82538] Re: What am I doing wrong with this code?*From*: David Bailey <dave at Remove_Thisdbailey.co.uk>*Date*: Wed, 24 Oct 2007 04:24:44 -0400 (EDT)*References*: <ffkffr$spa$1@smc.vnet.net>

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 > > I get a nice plot with 2 curves on 6.01. My guess is that you have hit one of those gremlins that produce a cell that looks OK, but actually has a broken structure. Try typing the line in again. If it is still wrong, which version of Mathematica are you using? David Bailey http://www.dbaileyconsultancy.co.uk