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MathGroup Archive 2006

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Re: Variables Within Homemade Functions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg69603] Re: [mg69590] Variables Within Homemade Functions
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Sun, 17 Sep 2006 06:57:29 -0400 (EDT)
  • Reply-to: hanlonr at cox.net

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Bob Hanlon

---- Gregory Lypny <gregory.lypny at videotron.ca> wrote: 
> Hello everyone,
> 
> How can I ensure that variables in my home made function do not  
> conflict with variables with the same name outside the function?  Say  
> I have a variable, t, whose value in my notebook is 17.  I've brought  
> in a function from another notebook, myFunction, that contains a  
> variable named t, and in running the function, t will take on a  
> value.  Unfortunately, both t's are the same.  Is there any way to  
> make the t within the my function a local variable just like index  
> counters in the Table and Do functions?
> 
> Regards,
> 
> 	Greg
> 
> t=17
> 
> myFunction[x_]:=(t=someOtherValue; rest of function here)
> 


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