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MathGroup Archive 1998

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CDF[MultinormalDistribution[...]] only for n < 3?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg14539] CDF[MultinormalDistribution[...]] only for n < 3?
  • From: boonstb at cmg.fcnbd.com
  • Date: Thu, 29 Oct 1998 04:33:34 -0500
  • Organization: Deja News - The Leader in Internet Discussion
  • Sender: owner-wri-mathgroup at wolfram.com

Hi	Has anyone got a fix for the (apparent) bug in the standard stats
package that keeps the CDF of the multivariate normal distribution from
being computed in 3 and more dimensions?  I find the following:In[1]:=
<<Statistics`MultinormalDistribution`In[2]:=
CDF[MultinormalDistribution[{0,0},IdentityMatrix[2]],{0,0}]Out[2]=
0.25In[3]:=
CDF[MultinormalDistribution[{0,0,0},IdentityMatrix[3]],{0,0,0}]Solve::svars:
Equations may not give solutions for all "solve" variables.Out[3]=
CDF[MultinormalDistribution[{0, 0, 0}, {{1, 0, 0}, {0, 1, 0}, {0, 0,
1}}], {0, 0, 0}]	Best Regards,		Brian

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