Changeset 3252


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Timestamp:
Nov 18, 2010 8:58:37 PM (10 years ago)
Author:
wehart
Message:

Additional documentation.

File:
1 edited

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  • ceps/cep-0004.txt

    r3251 r3252  
    6262
    6363This subtle difference has tripped up virtually every Pyomo user,
    64 including all of the core Pyomo developers.  Although similar software
     64including all of the core Pyomo developers.  User expectations appear to be as
     65follows:
     66
     67 * Users want model.p to mean value(model.p) in 'scripts' (and particularly in
     68   logical expressions in scripts).
     69 * Many users want model.p to mean the Param object in expressions that
     70   will be used as constraints or objectives
     71 * Some users seem to want model.p to mean value(model.p) even when they
     72   specify expressions (e.g. where they think of the value as a constant in
     73   the expression).
     74
     75Although similar software
    6576packages like sympy and sage have the same issue, these packages only
    6677have variable objects.  Thus, it is natural to force the user to compute
     
    198209Generalizations
    199210===============
     211
     212Immutable Set Data
     213------------------
    200214
    201215While considering the generation of data for immutable parameters, it
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