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Re: help needed with mathematical calculation

  • To: mathgroup at smc.vnet.net
  • Subject: [mg33351] Re: help needed with mathematical calculation
  • From: Thomas Burton <tburton at brahea.com>
  • Date: Sun, 17 Mar 2002 05:33:00 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello,

On 3/15/02 10:49 PM, in article a6upue$i35$1 at smc.vnet.net, "Salman Durrani"
<dsalman at itee.uq.edu.au> wrote:

> When i go for M=64, there is some error or overflow that causes incorrect
> curve to be displayed.

You are indeed running out of precision. For the case M=64, all you have to
do is to replace N[p] with N[p,20]. For much larger values of M, you will
also need to increase the parameter $MaxExtraPrecision. Just try it, and
Mathematica will guide you.

Tom Burton




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