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  • Extreme.Mathematics.Optimization
    • BoundedQuasiNewtonOptimizer Class
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    • Constraint Class
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    • LinearConstraint Class
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    • LinearProgramVariable Class
    • MpsReader Class
    • MultidimensionalOptimizer Class
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    • NonlinearConstraint Class
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    • OneDimensionalOptimizer Class
    • OptimizationModel Class
    • OptimizationModelEntity Class
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    • OptimizationModelStatus Enumeration
    • OptimizationSolutionReport Class
    • PowellOptimizer Class
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    • QuasiNewtonMethod Enumeration
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  • LinearProgramVariable Class
    • Properties
    • LinearProgramVariable Methods

LinearProgramVariable Class

Extreme Optimization Numerical Libraries for .NET Professional
Represents a variable in a LinearProgram.
Inheritance Hierarchy

SystemObject
  Extreme.Mathematics.OptimizationOptimizationModelEntity
    Extreme.Mathematics.OptimizationDecisionVariable
      Extreme.Mathematics.OptimizationLinearProgramVariable

Namespace:  Extreme.Mathematics.Optimization
Assembly:  Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
Syntax

C#
VB
C++
F#
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public class LinearProgramVariable : DecisionVariable
Public Class LinearProgramVariable
	Inherits DecisionVariable
public ref class LinearProgramVariable : public DecisionVariable
type LinearProgramVariable =  
    class
        inherit DecisionVariable
    end

The LinearProgramVariable type exposes the following members.

Properties

  NameDescription
Public propertyCost
Gets the cost associated with the variable.
Public propertyIsInteger
Gets or sets whether the variable is restricted to integer values.
(Inherited from DecisionVariable.)
Public propertyLowerBound
Gets or sets the lower bound of the variable.
(Inherited from OptimizationModelEntity.)
Public propertyName
Gets the name of the variable.
(Inherited from OptimizationModelEntity.)
Public propertyPosition
Gets the position of the current instance in the collection.
(Inherited from OptimizationModelEntity.)
Public propertyUpperBound
Gets or sets the upper bound of the variable.
(Inherited from OptimizationModelEntity.)
Public propertyValue
Gets the value of the variable after the optimal solution has been found.
(Inherited from DecisionVariable.)
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Methods

  NameDescription
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetHashCode
Serves as the default hash function.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
Public methodToString
Returns a string that represents the current object.
(Inherited from Object.)
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Remarks

The DecisionVariable class represents a variable in a LinearProgram. DecisionVariable objects are created using the linear program's AddVariable(String, Double) method of the OptimizationModel class. They may also be created when a constraint is added using the AddLinearConstraint(String, Double, Double) method.

Each variable has a Name, which may be generated automatically. The LowerBound and UpperBound properties specify the lower and upper bounds. The Cost property specifies the cost associated with the variable. This is the coefficient of the variable in the objective function. After the solution of the linear program has been computed, the Value property returns the value of the variable in the optimal solution.

See Also

Reference

Extreme.Mathematics.Optimization Namespace

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