Problem with ContourPlot
- To: mathgroup at smc.vnet.net
- Subject: [mg9824] Problem with ContourPlot
- From: my.address at see.below (Stefan Becuwe)
- Date: Fri, 28 Nov 1997 05:35:38 -0500
- Organization: University of Antwerp (UIA)
- Sender: owner-wri-mathgroup at wolfram.com
Can anyone explain why the following function doesn't plot anything at
the origin? The function becomes zero at the origin.
ContourPlot[(-8726808064423900632*x^2 + 8759151125192924604*x^3 -
29584563748339932*x^4 + 17534318270560862222*x*y -
8712453993364397598*x^2*y -
8756566774424639400*x^3*y -8845706882530353348*y^2 -
8768699986248057285*x*y^2
+ 17515308156991040723*x^2*y^2 + 8814402420709229988*y^3
-8815332906945153323* x*y^3 + 32011032025269888*y^4), {x,-0.1,0.1},
{y,-0.1,0.1}, ContourShading -> False, Contours -> {0}, ContourLines
-> True, PlotPoints -> 201, Axes -> True, AxesOrigin -> {0,0},
AxesStyle -> Dashing[{0.01,0.03}], AxesLabel -> {"x","y"}, PlotLabel
-> "label"]
Regards
Stefan Becuwe
Stefan.Becuwe at uia.ua.ac.be