RE: How to evaulate a function and graph it
- To: mathgroup at smc.vnet.net
- Subject: [mg43218] RE: How to evaulate a function and graph it
- From: "David Park" <djmp at earthlink.net>
- Date: Wed, 20 Aug 2003 22:25:08 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Rebeca,
f[x_, y_] := x^4 + 3 x^2 + 5 y^2 + x + y
Plot3D[f[x, y], {x, -3, 4}, {y, -3, 4.3}];
You can obtain more control over the plot by using the various Plot Options.
As an example...
Needs["Graphics`Colors`"]
Plot3D[f[x, y], {x, -3, 4}, {y, -3, 4.3},
AxesLabel -> {x, y, f},
PlotLabel -> f[x, y],
Background -> Linen,
ImageSize -> 450];
David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/
From: Rebeca Choy [mailto:rchoy at ula.ve]
To: mathgroup at smc.vnet.net
Hi everyone,
How can I evaluate a function of 2 variables, say:
f(x,y) = x^4 + 3 x^2 + 5 y^2 + x + y
in an interval of [-3.0,4.0] and[-3.0,4.3] for x and y?
I need all the points between these two ranges to plot it
Thanks
Rebeca