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MathGroup Archive 2004

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Re: Regarding a 3D plot in mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg47485] Re: [mg47462] Regarding a 3D plot in mathematica
  • From: Tomas Garza <tgarza01 at prodigy.net.mx>
  • Date: Wed, 14 Apr 2004 07:16:33 -0400 (EDT)
  • References: <200404131026.GAA10828@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

There are some fine points regarding the nature of the points you want to
plot in 3D. First, have a close look at the definition of ListPlot3D (in the
on-line help browser, e.g.). Notice that the argument you must provide is an
array of height values, not a list of points in 3D. So, for example

In[1]:=
tbl = Table[Sin[x*y], {x, 0, Pi, Pi/8},
    {y, 0, Pi, Pi/8}];

In[2]:=
ListPlot3D[tbl];

works all right (first of all load Graphis`Graphics3D`). Some
experimentation is useful in order to familiarize yourself with this
function.

Tomas Garza
Mexico City
----- Original Message ----- 
From: "Ananya Debnath" <ananya at ipc.iisc.ernet.in>
To: mathgroup at smc.vnet.net
Subject: [mg47485] [mg47462] Regarding a 3D plot in mathematica


> Hi,
>
> I want to make a 3D plot out of a data file having 3 columns of numbers
> using mathematica such that each row represents a point in 3D, and also
> the resulting plot looks as one obtained from ploting a function with
command
> line:
> Plot3D[function[x,y],{x,xmin,xmax},{y,ymin,ymax}].
>
>  Can you please help me regarding this plot?
>
> Thanks,
>
> Ananya.
>
>
>
>
>
>



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