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Re: Displaying many digits

  • To: mathgroup at smc.vnet.net
  • Subject: [mg40889] Re: [mg40870] Displaying many digits
  • From: Peter <peter1963 at totalise.co.uk>
  • Date: Wed, 23 Apr 2003 01:17:44 -0400 (EDT)
  • References: <200304221048.GAA00078@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Stepan Yakovenko wrote:

>HI!
>
>  I'm using FindRoot to find root of some complicated algebraic
>  equation:
>
>  FindRoot[zero, {Beta, Beta0}, MaxIterations -> 200]
>
>  > {Beta -> 18.7129}
>
>  It works fine and the result is right. Though it shows only 4 digits
>  of the result, rounding the number. But I need to see first 20
>  digits. Yes, I can press space and Mathematica will show the whole
>  number, but I want to know how to do it in place.
>
>  
>
Hello Stepan,
 use the Option WorkingPrecision:

In[1]:=
FindRoot[x^2==2+I,{x,(3+I)/2},WorkingPrecision->21]
Out[1]=
{x -> 1.45534669022535480811 + 0.34356074972251246413 I]}


Peter



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