MathGroup Archive 1992

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Solve problem ?

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: Solve problem ?
  • From: BURNS at risvax.rowland.org
  • Date: Mon, 23 Nov 1992 18:53:01 -0500 (EST)

Please, could someone explain the discrepancy between these two results :

Solve[ { u + m/x^2 v, v + m/x^2 u } == 0, {y,z} ]    =>    {}

Solve[ { u + 1/x^2 v, v + m/x^2 u } == 0, {y,z} ]    =>   {{}}

The math meaning is not significant (these are simplified from the actual case),but in a larger program I do Length[ result[[1]] ], and it objects to the first
instance (which I think is incorrect).

Thanks.
Mike Burns
Rowland Institute





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