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MathGroup Archive 1993

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Ordering function

  • To: mathgroup at (mathgroup)
  • Subject: Ordering function
  • From: gt9397a at (Daryl S. Reece)
  • Date: Tue, 9 Nov 1993 14:37:00 -0500 (EST)

    Is there a simple way to have MMA return an expression whose
terms are all of an certain order or less, when given an arbitrary
expression, the list of terms of the same order, and the order


a^2 + a b^3 + a b c + (a^3 b^3 c + a b)/(a^2 + a b^2 c)
where {a,b} are the same order.  Retain 2nd order terms or lower.

a^2 + a b c + ab/(a^2+a b^2 c)

Daryl Reece

Internet: dreece at  or gt9397a at

School of Aerospace Engineering
Georgia Institute of Technology
Atlanta, GA 30332-0150

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