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MathGroup Archive 2006

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RE: Variables Within Homemade Functions

  • To: mathgroup at
  • Subject: [mg69595] RE: [mg69590] Variables Within Homemade Functions
  • From: "David Park" <djmp at>
  • Date: Sun, 17 Sep 2006 06:57:06 -0400 (EDT)


What is a Module for?

David Park
djmp at 

From: Gregory Lypny [mailto:gregory.lypny at]
To: mathgroup at

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?




myFunction[x_]:=(t=someOtherValue; rest of function here)

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