MathGroup Archive 2003

[Date Index] [Thread Index] [Author Index]

Search the Archive

Mathematica changes weak inequalities to strong inequalities

  • To: mathgroup at smc.vnet.net
  • Subject: [mg42142] Mathematica changes weak inequalities to strong inequalities
  • From: "Pierce, Janine E." <JEPIERCE at partners.org>
  • Date: Fri, 20 Jun 2003 04:57:38 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

When I use Nminimize to solve a nonlinear constrained problem, Mathematica
changes my weak inequality constraint to a strong inequality (i.e. it changed
F1>0 to F1>=0).  How can I prevent it from doing this?

Nminimize[{f[F1,F2....], {F1>0, F2>0, ....}}, {F1, F2, ....}];

This is the error I get (although it does print out an answer, it sets F1=0 and
I don't want F1 to be zero):
NMinimize::strong :  Strong inequality has been changed to a weak inequality.

Any help would be greatly appreciated.
Thanks.
-Janine


  • Prev by Date: additional comments on Simplify and Square 'Roots....
  • Next by Date: How to read a certain number from a file?
  • Previous by thread: Re: additional comments on Simplify and Square 'Roots....
  • Next by thread: How to read a certain number from a file?