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    • BoundedQuasiNewtonOptimizer Class
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    • OptimizationModel Class
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  • Constraint Class
    • Properties
    • Methods

Constraint Class

Extreme Optimization Numerical Libraries for .NET Professional
Serves as a base class for classes that represent constraints in an optimization model.
Inheritance Hierarchy

SystemObject
  Extreme.Mathematics.OptimizationOptimizationModelEntity
    Extreme.Mathematics.OptimizationConstraint
      Extreme.Mathematics.OptimizationLinearConstraint
      Extreme.Mathematics.OptimizationNonlinearConstraint

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 abstract class Constraint : OptimizationModelEntity
Public MustInherit Class Constraint
	Inherits OptimizationModelEntity
public ref class Constraint abstract : public OptimizationModelEntity
[<AbstractClassAttribute>]
type Constraint =  
    class
        inherit OptimizationModelEntity
    end

The Constraint type exposes the following members.

Properties

  NameDescription
Public propertyConstraintType
Gets the type of row.
Public propertyGradient
Gets the current value of the constraint gradient.
Public propertyIsLinear
Gets whether the constraint is linear.
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 current value of the constraint.
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Methods

  NameDescription
Public methodEquals
Determines whether the specified object is equal to the current object.
(Inherited from Object.)
Public methodEvaluate
Evaluates the constraint at the specified point.
Public methodEvaluateConstraintAndGradient
Evaluates both the constrain value and its gradient in one operation.
Public methodEvaluateGradient
Evaluates the gradient of the constraint at the specified point.
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

A Constraint object represents a constraint in a OptimizationModel. Constraint objects are created using the AddLinearConstraint(String, ConstraintType, Double) method of the OptimizationModel class.

Each constraint has a Name, which may be generated automatically. The LowerBound and UpperBound properties specify the left and right hand sides of the constraint.

See Also

Reference

Extreme.Mathematics.Optimization Namespace

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