RE: Simple Plot3D/Function Syntax issue
- To: mathgroup at smc.vnet.net
- Subject: [mg68589] RE: [mg68566] Simple Plot3D/Function Syntax issue
- From: "David Annetts" <davidannetts at aapt.net.au>
- Date: Fri, 11 Aug 2006 04:39:53 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
> When I enter
> f = e^-(x^2 + y^2) (x^2 + 2y^2)
> It gives me a syntax::noinfo error but the output looks like
> the correct textbook style function.
> Also, when I try to plot it
> Plot3D[e^-(x^2 + y^2) (x^2 + 2y^2), {x, -3, 3}, {y, -3, 3}]
> It of course gives me not machines-size real number errors,
> which I am assuming have more to do with my original syntax
> error. I've tried several variations but can't figure out
> what needs to be corrected.
When all else fails, RTFM .... The master index (E) would've been a good
place to start.
You need "E" not "e". Or you could use Exp[-(...)].
Regards,
Dave.