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understanding code

  • To: mathgroup at
  • Subject: [mg114147] understanding code
  • From: Sam Takoy <sam.takoy at>
  • Date: Thu, 25 Nov 2010 05:57:27 -0500 (EST)


The following code:

i[_] = 0;

return 0 1 2 3 4. I'd like to understand whats going on here. That is,

What is i?  Is it a function? And what is i[1]? Is it a function or a 
value? Etc...

Many thanks in advance,


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