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MathGroup Archive 2005

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Re: Block vs Module

  • To: mathgroup at smc.vnet.net
  • Subject: [mg57545] Re: Block vs Module
  • From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 1 Jun 2005 06:01:30 -0400 (EDT)
  • Organization: Uni Leipzig
  • References: <d7ha4p$3lq$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

Block[] create a new variable only if it does not 
exist and all functions
called from the block can access the variables 
created by Block[].

Module[] create always new variables and no 
function called from Module[] can
easy access the local variables from the caling 
Module[].

Regards
  Jens

"Josef Karthauser" <joe at tao.org.uk> schrieb im 
Newsbeitrag news:d7ha4p$3lq$1 at smc.vnet.net...
>
> Can someone please explain to me what the 
> difference between Module and
> Block are?  I'm unclear as to in what 
> circumstances I should use Block
> instead of Module.
>
> Thanks :)
> Joe
> --
> Josef Karthauser (joe at tao.org.uk) 
> http://www.josef-k.net/
> FreeBSD (cvs meister, admin and hacker) 
> http://www.uk.FreeBSD.org/
> Physics Particle Theory (student) 
> http://www.pact.cpes.sussex.ac.uk/
> ================ An eclectic mix of fact and 
> theory. =================
>
> 



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