MathGroup Archive 2006

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: SImple Plot3D issue


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.
> 

Mathematica denotes with E the base of natural logarithms, not e.
Adriano Pascoletti
 


  • Prev by Date: a simple integral
  • Next by Date: Re: SImple Plot3D issue
  • Previous by thread: SImple Plot3D issue
  • Next by thread: Re: SImple Plot3D issue