MathGroup Archive 2006

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Mathematica Question

  • To: mathgroup at
  • Subject: [mg66358] Mathematica Question
  • From: "Bharat Bhole" <bbhole at>
  • Date: Wed, 10 May 2006 06:34:47 -0400 (EDT)
  • Sender: owner-wri-mathgroup at


Is there a way in Mathematica to check whether an algebraic expression is
positive or negative, and a way to specify conditions on the variables in
the expression? For example, is there a way to check whether x^2 is positive
for any real x? I want to check this for a complicated
expression...basically the sign of the second derivative of a function.

Thank you very much for your help.


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