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Student Support Forum: 'Plotting Surface Area Graph with x,y,and z coordinates' topicStudent Support Forum > General > Archives > "Plotting Surface Area Graph with x,y,and z coordinates"

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Aaron Honecker
10/31/00 07:48am

>Hello. I just got this program. Seems complicated to me, but I'm sure it will pay off once I get the hang of it. I'm trying to command mathematica to plot a 3d surface area graph with x, y, and z coordinates for a project. I don't know the commands, and I'm still trying to learn how to use this program. Would somebody please help me and tell me how to do this. The graph has 26 points for each axis. I'm also using it as a study aid for my precalculus class. Any advice or hints and tips to make learning mathematica easier (it's almost like programming:). Thanks. See ya.

Surface plots can be created in two ways.
If you have the generating function you can use Plot3D.
If you have EVENLY SPACED data you can use SurfaceGraphics.

Here are a few examples:

Plot3D[Sin[x^2-y^2],{x,-2,2},{y,-2,2}]

sf = Table[Sin[x^2-y^2],{x,-2,2,0.1},{y,-2,2,0.1}];
Show[SurfaceGraphics[sf],ColorFunction->Hue, Mesh->False]

As far as learning Mathematica, you always need to remember the unifying theme in Mathematica:
Everything is an expression of the form f[x, y, ....]

{a, b, c} is List[a, b, c]
a + b is Plus[a,b]

When you are in doubt about a calculation, look at the FullForm or InputForm of the expression
to see how Mathematica is interpreting the entry.

You can think of Mathematica as a high-level programming language. Mathematica allows a person
to express complex calculations with fairly simple expressions. It takes time and practice to get
proficient using Mathematica, but you will be able to do some remarkble things with it.


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Subject (listing for 'Plotting Surface Area Graph with x,y,and z coordinates')
Author Date Posted
Plotting Surface Area Graph with x,y,and z coor... Mike E. 10/24/00 06:49am
Re: Plotting Surface Area Graph with x,y,and z ... Forum Modera... 10/31/00 07:43am
Re: Plotting Surface Area Graph with x,y,and z ... James Kellin... 11/08/00 7:28pm
Re: Plotting Surface Area Graph with x,y,and z ... John Leko 10/31/00 07:45am
Re: Plotting Surface Area Graph with x,y,and z ... John Leko 10/31/00 07:47am
Re: Plotting Surface Area Graph with x,y,and z ... Aaron Honecker 10/31/00 07:48am
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