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MathGroup Archive 1996

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Accuracy in the function N[expr, n]

  • To: mathgroup at smc.vnet.net
  • Subject: [mg4925] Accuracy in the function N[expr, n]
  • From: shinhh at plaza.snu.ac.kr
  • Date: Fri, 4 Oct 1996 00:17:54 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Hi MathGroup members,

While doing numerical search, I came to deadlock;

     <<Statistics`ContinuousDistribution`
     F = N[CDF[NormalDistribution[0,1], 18], 100]
     Accuracy[F]

Mathematica returns 1. and 16, 
but I want to increase the number of significant digits of F.

Though I use the function N[expr, 100], 
why can't I get the 100-digits accuracy?

Thanks in advance.
Hyunho Shin (shinhh at plaza.snu.ac.kr)


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