Re: SImple Plot3D issue

*To*: mathgroup at smc.vnet.net*Subject*: [mg68587] Re: [mg68564] SImple Plot3D issue*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Fri, 11 Aug 2006 04:39:50 -0400 (EDT)*Reply-to*: hanlonr at cox.net*Sender*: owner-wri-mathgroup at wolfram.com

E or Exp vice e Plot3D[E^-(x^2 + y^2) (x^2 + 2 y^2), {x, -3, 3}, {y, -3, 3}]; Bob Hanlon ---- jtolman at gmail.com wrote: > I am trying to plot the 3D function e^-(x^2 + y^2) (x^2 + 2y^2) > > Plot3D[e^-(x^2 + y^2) (x^2 + 2 y^2), {x, -3, 3}, {y, -3, 3}] > > I get not machine-size real number errors. When I try > > f = e^-(x^2 + y^2) (x^2 + 2 y^2) > > I get a Syntax::noinfo: insufficient information error, although the > output looks like a valid textbook style equation. > > I've tried several variations on input but can't figure out where the > syntax mistake is. >