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MathGroup Archive 2005

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Free variables in an expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg54758] Free variables in an expression
  • From: Sascha Kratky <notvalid at notvalid.com>
  • Date: Tue, 1 Mar 2005 01:58:13 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Is there a Mathematica built-in function that gives a list of free
(unbound) variables in an arbitrary expression?

Thanks,
Sascha


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