3D-plot over a triangle

*To*: mathgroup at smc.vnet.net*Subject*: [mg65021] 3D-plot over a triangle*From*: "pluton" <plutonesque at gmail.com>*Date*: Sat, 11 Mar 2006 05:16:12 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

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

**Follow-Ups**:**Re: 3D-plot over a triangle***From:*Onkar Singh <onkars@wolfram.com>