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Re: How to integrate a function over a polygon

• To: mathgroup at smc.vnet.net
• Subject: [mg123280] Re: How to integrate a function over a polygon
• From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
• Date: Wed, 30 Nov 2011 03:20:39 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• References: <201111291203.HAA05398@smc.vnet.net>

On 29 Nov 2011, at 13:03, Mikael wrote:

> In a related question I wonder how one can plot g[x,y] over only the 
2-dimensional unit simplex.


Do you mean something like this:

Plot3D[{x^2 + y^2, 0}, {x, -3, 3}, {y, -3, 3},
 RegionFunction -> Function[{x, y, z}, 0 < x < 1 && 0 < y <= x]]

?=

• References:
  • Re: How to integrate a function over a polygon
    • From: Mikael <mikaen.anderson.1969@gmail.com>