Difference between revisions of "LpDefine"

 
(Listed parameters for Lpdefine)
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Defines a linear programming problem.
 
Defines a linear programming problem.
  
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= LpDefine( Vars, Constraints, objCoef, Lhs, Rhs ) =
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= Full set of Parameters =
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LpDefine supports many optional parameters. The full set of parameters are as follows:
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* ''Vars'' : Index
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* ''Constraints'' : Index
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* ''objCoef'' : Numeric all[Vars]
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* ''Lhs'' : numeric all[Vars,Constraints]
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* ''Rhs'' : numeric all[Constraints]
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* ''Sense'' : optional Textual[Constraints]
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One of: '<', '>' or '='
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* ''Maximize'' : optional Boolean
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True for maximization problems, false (default) for minimization.
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* ''Lb'' : optional Numeric[Vars]
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* ''Ub'' : optional Numeric[Vars]
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* ''CType'' : optional Textual[Vars]
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** 'C' : Continuous (real-valued)
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** 'I' : Integer-valued
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** 'B' : Binary (0/1) valued
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* ''Group'' : optional number all[Vars]
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* ''Engine'' : optional text
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Used to select a third-party (non-default) solver engine.  Use [[SolverInfo]]("AvailEngines") to get a list of installed engines.
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* ''Parameter'' : optional Text
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* ''Setting'' : optional numeric
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Parameter and Setting are used together to change a search-control parameter from its default value.  To set multiple parameters, ensure that Parameter and Setting contain a common index.  For a list of parameters supported by a given engine, use [[SolverInfo]]("DefaultSettings",engine:engineName).
  
 
= See Also =
 
= See Also =
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* [[QpDefine]], [[NlpDefine]]
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* [[LpStatusText]], [[LpSolution]]
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* [[LpRead]], [[LpWrite]]

Revision as of 00:13, 10 April 2007


Defines a linear programming problem.

LpDefine( Vars, Constraints, objCoef, Lhs, Rhs )

Full set of Parameters

LpDefine supports many optional parameters. The full set of parameters are as follows:

  • Vars : Index
  • Constraints : Index
  • objCoef : Numeric all[Vars]
  • Lhs : numeric all[Vars,Constraints]
  • Rhs : numeric all[Constraints]
  • Sense : optional Textual[Constraints]

One of: '<', '>' or '='

  • Maximize : optional Boolean

True for maximization problems, false (default) for minimization.

  • Lb : optional Numeric[Vars]
  • Ub : optional Numeric[Vars]
  • CType : optional Textual[Vars]
    • 'C' : Continuous (real-valued)
    • 'I' : Integer-valued
    • 'B' : Binary (0/1) valued
  • Group : optional number all[Vars]
  • Engine : optional text

Used to select a third-party (non-default) solver engine. Use SolverInfo("AvailEngines") to get a list of installed engines.

  • Parameter : optional Text
  • Setting : optional numeric

Parameter and Setting are used together to change a search-control parameter from its default value. To set multiple parameters, ensure that Parameter and Setting contain a common index. For a list of parameters supported by a given engine, use SolverInfo("DefaultSettings",engine:engineName).

See Also

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