Re: How to evaulate a function and graph it
- To: mathgroup at smc.vnet.net
- Subject: [mg43217] Re: How to evaulate a function and graph it
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 20 Aug 2003 22:25:07 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <bht3hi$n22$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Plot3D[x^4 + 3 x^2 + 5 y^2 + x + y, {x, -3.0, 4.0}, {y, -3.0, 4.3}, PlotPoints -> 64] If you realy need *all* points for you plot you should set PlotPoints->Infinity ;-) Regards Jens Rebeca Choy wrote: > > 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