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Solve problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97988] Solve problem
  • From: "Bruno Campanini" <BC at gmail.com>
  • Date: Fri, 27 Mar 2009 05:35:35 -0500 (EST)

I have a Solve[...] which gives me solutions like
{{b1 -> -2, a1 -> -1 }, {b1 -> 0.5, a1 -> 3}}
or like
{{a1 -> 1, b1 -> 3}}

How can I get the positive value for a1, which is  3
in the first case and  1  in the second one?

Bruno


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