Re: 3D-plot over a triangle
- To: mathgroup at smc.vnet.net
- Subject: [mg65062] Re: 3D-plot over a triangle
- From: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>
- Date: Sun, 12 Mar 2006 23:59:45 -0500 (EST)
- Organization: The Open University, Milton Keynes, UK
- References: <duudid$i2k$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
pluton wrote:
> 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
>
Hi Pluton,
You could use the *Boole* function:
Plot3D[4*s*t*Boole[0 <= s <= 1 && 0 <= t <= 1 - s],
{s, 0, 1}, {t, 0, 1}];
Best regards,
/J.M.