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MathGroup Archive 2009

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Re: irrational and real exponents

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98149] Re: [mg98095] irrational and real exponents
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Tue, 31 Mar 2009 04:20:19 -0500 (EST)
  • References: <200903300942.EAA07992@smc.vnet.net>
  • Reply-to: drmajorbob at bigfoot.com

One example is

Exp[I Pi]

-1

Bobby

On Mon, 30 Mar 2009 04:42:12 -0500, <congruentialuminaire at yahoo.com> wrote:

> Hello MathGroup:
>
> Originally I was confused also about imaginary exponents also but help
> cleared that up.
>
> Help for Power also has this sentence: "For certain special arguments,
> Power automatically evaluates to exact values."
>
> Does this imply that for irrational and real exponents, they are
> "truncated" to rationals before they are evaluated?
>
> Thanks in advance for any info on this.
>
> Roger Williams
> Franklin Laboratory
>



-- 
DrMajorBob at bigfoot.com


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