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ContinuousDistributions bug?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg38232] ContinuousDistributions bug?
  • From: Nigel King <king at dircon.co.uk>
  • Date: Tue, 10 Dec 2002 04:09:20 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

There seems to be a bug here due to the fact that ContinuousDistributions.m
(4.0.0) does not check that q is numeric.

Quantile[NoncentralChiSquareDistribution[2, 10], q]
Produces a load of errors and some incorrect results when used in LogPlot.

LogPlot[Quantile[NoncentralChiSquareDistribution[2, 10], q], {q, .1, .9}]

This is of course a pain. What is the best way to correct this? Is it to
copy the particular function from ContinuousDistribution.m and re-include it
in a little add on or is there an updated version.

TIA
-- 
Nigel



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