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Subject: 
nits! (that is, Nits factorial) (was re contacting Lego Australia)
Newsgroups: 
lugnet.off-topic.fun
Date: 
Fri, 8 Mar 2002 13:51:45 GMT
Viewed: 
2661 times
  
In lugnet.off-topic.fun, Ross Crawford writes:
> In lugnet.off-topic.fun, Larry Pieniazek writes:

> > Sorry, no. The two articles you cite clearly show that the Gamma function is
> > an EXTENSION of factorial to reals and complex numbers... NOT that factorial
> > itself works with reals.
> 
> Double factorial equation (8) clearly states "Similarly, the double factorial
> can be extended to complex arguments as: [eqn image that I can't be bothered
> linking to]", similarly Factorial eqn (7).
> 
> Which by my book means these extensions *use* the gamma funtion, but *are*
> valid extensions. YMMV.

It does indeed vary.

By my book it's clear as day that an extension of something means the
original something *doesn't* apply in the extended area.



Message has 1 Reply:
  Re: nits! (that is, Nits factorial) (was re contacting Lego Australia)
 
(...) Fine, Lar, but the eqn I cited defines z!! for all complex z[1], so 3.141592654!! *is* a valid expression, whether you wanna call it double factorial or not. ROSCO [1] In fact, it doesn't - it erroneously uses x on the right side of the (...) (25 years ago, 11-Mar-02, to lugnet.off-topic.fun)

Message is in Reply To:
  Re: Contacting LEGO Australia
 
(...) 54... (...) Double factorial equation (8) clearly states "Similarly, the double factorial can be extended to complex arguments as: [eqn image that I can't be bothered linking to]", similarly Factorial eqn (7). Which by my book means these (...) (25 years ago, 8-Mar-02, to lugnet.off-topic.fun)

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