Re: Strange RegionPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg81565] Re: Strange RegionPlot
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 26 Sep 2007 21:56:55 -0400 (EDT)
- Organization: Uni Leipzig
- References: <fddfh1$a67$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
it depend your requirement of accuracy but
RegionPlot[x + y < 4 && x - y > 3, {x, -20, 25}, {y, -20, 10},
Mesh -> All, MaxRecursion -> 8]
should do that.
Regards
Jens
Bruce Colletti wrote:
> Re 6.0.1 under Windows XP.
>
> The region returned by:
>
> RegionPlot[x + y < 4 && x - y > 3, {x, -20, 25}, {y, -20, 10}]
>
> should be triangular. Yet the apex is a short line segment and not a vertex.
>
> What creates this segment, and what must one do to get the vertex? Thankx.
>
> Bruce
>