Thanks Joachim, now this error went away. Maybe you should note the predecence issue in the eplex description. (Maybe you do and I missed it) Best, Ulrich On Thu, Sep 11, 2008 at 12:27:29AM +0100, Joachim Schimpf wrote: > Kish Shen wrote: > > Ulrich Scholz wrote: > >> Dear all, > >> > >> I try to write a CP problem with the eplex constraint solver. Below you > >> find my code. > >> > >> I use decision variables to select one of a list of values. On the call > >> > >> :- generateSubcomponents(3, S). > >> > >> I get the following error: > >> > >> Eplex warning: Unable to linearise my_instance : Utility =:= [3, 1, 6] * [_184, _186, _188] > >> type error in eplex : (my_instance : Utility =:= [3, 1, 6] * [_184, _186, _188]) > >> Abort > >> > ... > >> > >> my_instance: Utility $= Utilities * DVs, > >> > >> Subcomponent = [Utility, DVs, Utilities]. > >> -------------- > >> > > Hi, > > > > You are not using the correct syntax -- you cannot simply use lists in > > expression. > > > Actually, the List*List syntax is legal in lib(eplex) and lib(ic). > The problem is the relative precedence of the : and the $= operator. > The : binds stronger than the $=, so you have to add parentheses like > > my_instance:(Utility $= Utilities * DVs) > > > Cheers, > -- Joachim -- Ulrich Scholz Phone: +49-6221-533244 Email: ulrich.scholz at eml-d.villa-bosch.de -- European Media Laboratory GmbH Schloss-Wolfsbrunnenweg 33 69118 Heidelberg Amtsgericht Mannheim / HRB 335719 Managing Partner: Dr. h.c. Klaus Tschira, Scientific and Managing Director: Prof. Dr.-Ing. Andreas Reuter www.eml-d.villa-bosch.deReceived on Thu Sep 11 2008 - 06:35:09 CEST
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