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MathGroup Archive 2007

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Re: Precision of a number raised to a power

  • To: mathgroup at smc.vnet.net
  • Subject: [mg73546] Re: Precision of a number raised to a power
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 21 Feb 2007 01:55:22 -0500 (EST)
  • Organization: Uni Leipzig
  • References: <erelt5$7np$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de

Hi,

Table[Precision[(2.0`18)^i], {i, 1, 10}]

Regards
   Jens

Sonya wrote:
> Hallo
> I am new to Mathematica and I am thankful to any help regarding the following.
> If I have something like a^b . The a is any arbitrary decimal number (let us say of precision double) the b are numbers from 1-10 (exact numbers without a point). 
> What will be the precision of the above expression after raising a to the powers from 1-10.
> 
> Many thanks in advance
> Sonya
> 


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