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Re: simplifying algebraic expressions with Null

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125136] Re: simplifying algebraic expressions with Null
  • From: Ramiro Magno <ramiro.magno at gmail.com>
  • Date: Thu, 23 Feb 2012 05:48:49 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <7BB0E96E72E84E41B24A1FF8ED13F5E6299735C55D@IE2RD2XVS581.red002.local>

Thanks Alexei for your answer.

But actually I need a replacement rule (SpecialRule) that works on any algebraic expression, i.e. involving either/and addition, subtraction, multiplication, division or raising to a power, etc.., in other words, on any expression that would yield a scalar number (in my case assuming a Real number) would suffice.

Ex:
x=Exp[Null]
y=x/./.SpecialRule
Null



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