Re: irrational and real exponents
- To: mathgroup at smc.vnet.net
- Subject: [mg98111] Re: irrational and real exponents
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 30 Mar 2009 05:06:15 -0500 (EST)
- Organization: Uni Leipzig
- References: <gqq3ql$7m7$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi, Mathematica will never truncate anything. This mean I^2 is evaluated to -1 and E^(-2 Pi I) is evaluated to 1 Regards Jens 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 >