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MathGroup Archive 2004

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Re: Graphics and Random[] questions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg51851] Re: Graphics and Random[] questions
  • From: sean_incali at yahoo.com (sean kim)
  • Date: Wed, 3 Nov 2004 01:25:59 -0500 (EST)
  • References: <cm7clh$lem$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

> 1) I have a notebook which involves manipulating 3d plots. However
> everytime I run the notebook, after a while I get some kernel errors,
> and the mathematica kernel just quits. It crashs after a while and
> does not finsih evaluating all the cells. Is there a problem with my
> computer? or is it because of the limitation to process (huge amount
> of) graphics by Mathematica?
> 

hard to tell without seeing the code... 

> 2) Random[Real, {-4,4}] gives a uniform distribution. However if I
> would like to have a binomial distribution or any other kind of
> distribution, would this be possible as well? If so then how is it
> done?

from the help file. 

In[2]:=
<<Statistics`DiscreteDistributions`
bdist=BinomialDistribution[34,0.3]
Mean[bdist]
Mean[BinomialDistribution[n,p]]
Quantile[bdist,0.5]
ExpectedValue[x^3,bdist,x]
RandomArray[bdist,{2,3}]


Out[3]=
BinomialDistribution[34,0.3]
Out[4]=
10.2
Out[5]=
n p
Out[6]=
10
Out[7]=
1282.55
Out[8]=
{{6,8,5},{8,10,11}}


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