[GiNaC-list] Randomness when using lsolve

Vladimir V. Kisil kisilv at maths.leeds.ac.uk
Thu Jan 16 20:28:53 CET 2014

	Good evening,
>>>>> On Thu, 16 Jan 2014 17:20:31 -0200, Federico Bergero <fedebergero at gmail.com> said:

    FB> what is going on there? Is there a way to have a deterministic
    FB> solution?

    You cannot force GiNaC to produce always a+b and not b+a. However,
  this expressions are equal and GiNaC is able to check that. If this is
  crucial for you for some reasons, you need to write your own filtering

  Best wishes,
Vladimir V. Kisil     email: kisilv at maths.leeds.ac.uk
                        www: http://www.maths.leeds.ac.uk/~kisilv/
Book: Geometry of Mobius Transformations

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