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Re: A 3D plot, x and y is log coordinates. How plot?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91097] Re: A 3D plot, x and y is log coordinates. How plot?
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 6 Aug 2008 05:04:36 -0400 (EDT)
  • References: <g791gh$9kv$1@smc.vnet.net>

Hi,

the function is f(x,y) and not g(x,y) or q(x,y) I'm surprised !

Try

Plot3D[Exp[-x*y], {x, 1, 10}, {y, 1, 10}, PlotRange -> All] /.
  GraphicsComplex[pnts_, gr___] :>
   GraphicsComplex[{Log[#[[1]]], Log[#[[2]]], #[[3]]} & /@ pnts, gr]

if you function is Exp[-x*y]

Regards
   Jens

Simulate wrote:
> The function is z = f(x,y)
> 


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