Re: Strange RegionPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg81550] Re: [mg81532] Strange RegionPlot
- From: "Ricardo Samad" <resamad at gmail.com>
- Date: Wed, 26 Sep 2007 21:49:14 -0400 (EDT)
- References: <200709261053.GAA09604@smc.vnet.net>
Dear Bruce, Increase the plotting resolution using the PlotPoints option: RegionPlot[x + y < 4 && x - y > 3, {x, -20, 25}, {y, -20, 10}, PlotPoints -> 100] Ricardo On 9/26/07, Bruce Colletti <vze269bv at verizon.net> 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 > > -- ____________________________________ Ricardo Elgul Samad tel: (+55 11) 3133-9372 fax: (+55 11) 3133-9374 Centro de Lasers e Aplica=E7=F5es IPEN/CNEN-SP AV. Prof. Lineu Prestes 2242 Cidade Universit=E1ria 05508-000 S=E3o Paulo - SP Brazil ____________________________________
- References:
- Strange RegionPlot
- From: Bruce Colletti <vze269bv@verizon.net>
- Strange RegionPlot