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MathGroup Archive 2007

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Jagged Spine (MultinormalDistribution)

  • To: mathgroup at smc.vnet.net
  • Subject: [mg82945] Jagged Spine (MultinormalDistribution)
  • From: Bruce Colletti <vze269bv at verizon.net>
  • Date: Sun, 4 Nov 2007 06:10:39 -0500 (EST)

Re 6.0.1 under WinXP.

The spine of the bivariate normal distribution below is jagged, even when PlotPoints is set to 50 (took awhile to build).  Altering MaxRecursions is likewise no help.  

Is there a way to get a quickly-plotted smooth spine without resorting to high values of PlotPoints?  Thankx.

Bruce


Needs@"MultivariateStatistics`";

Plot3D[PDF[MultinormalDistribution[{0, 0}, {{5, -3},{-3, 2}},{x, y}], {x, -4, 4}, {y, -4, 4}, PlotRange -> All, 
 PlotPoints -> 50]


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