Re: 3D-plot over a triangle

*To*: mathgroup at smc.vnet.net*Subject*: [mg65026] Re: [mg65021] 3D-plot over a triangle*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sun, 12 Mar 2006 23:57:43 -0500 (EST)*Reply-to*: hanlonr at cox.net*Sender*: owner-wri-mathgroup at wolfram.com

Plot3D[4*s*t*Boole[0<s<1 && 0<t<1-s], {s,0,1},{t,0,1}, PlotRange->All,BoxRatios->{1,1,1/2}]; Needs["Graphics`"]; InequalityPlot3D[0<s<1 && 0<t<1-s && z<4*s*t, {s,-0,1},{t,0,1},{z,0,1}, BoxRatios->{1,1,1/2},PlotPoints->15]; Bob Hanlon > > From: "pluton" <plutonesque at gmail.com> To: mathgroup at smc.vnet.net > Subject: [mg65026] [mg65021] 3D-plot over a triangle > > Hi there, > > I want to plot the following function f = 4*s*t over a triangle defined > by s going from 0 to 1 > and t from 0 to 1-s. > > I tried Plot3D[4st, {s, 0, 1}, {t, 0, 1-s}]; but it does not work. Any > suggestion ? > > Thank you, > > Pluton > >