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#region Copyright © 2009, De Santiago-Castillo JA. All rights reserved.
//Copyright © 2009 Jose Antonio De Santiago-Castillo
//E-mail:JAntonioDeSantiago@gmail.com
//Web: www.DotNumerics.com
//
#endregion
using System;
using System.Collections.Generic;
using System.Text;
namespace DotNumerics.Optimization
{
/// <summary>
/// Represents a varaible that can be used in optimization classes with bounded constrains.
/// </summary>
public class OptBoundVariable: OptVariable
{
#region Fields
/// <summary>
/// The lower bound.
/// </summary>
protected double _LowerBound = double.NegativeInfinity;
/// <summary>
/// The upper bound.
/// </summary>
protected double _UpperBound = double.PositiveInfinity;
private bool _UseBounds = true;
#endregion
#region Constructor
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
public OptBoundVariable()
{
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
public OptBoundVariable(double initialGuess)
{
this._InitialGuess = initialGuess;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="initialGuess">The initial guess.</param>
public OptBoundVariable(string name, double initialGuess)
{
this._Name = name;
this._InitialGuess = initialGuess;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="isFixed">Value that indicates if the variable is fixed.</param>
public OptBoundVariable(double initialGuess, bool isFixed)
{
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="isFixed">Value that indicates if the variable is fixed.</param>
public OptBoundVariable(string name, double initialGuess, bool isFixed)
{
this._Name = name;
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="lowerBound">The lower bound.</param>
/// <param name="upperBound">The upper bound.</param>
public OptBoundVariable(double initialGuess, double lowerBound, double upperBound)
{
this._InitialGuess = initialGuess;
this._LowerBound = lowerBound;
this._UpperBound = upperBound;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="lowerBound">The lower bound.</param>
/// <param name="upperBound">The upper bound.</param>
public OptBoundVariable(string name, double initialGuess, double lowerBound, double upperBound)
{
this._Name = name;
this._InitialGuess = initialGuess;
this._LowerBound = lowerBound;
this._UpperBound = upperBound;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="isFixed">Value that indicates if the variable is fixed.</param>
/// <param name="lowerBound">The lower bound.</param>
/// <param name="upperBound">The upper bound.</param>
public OptBoundVariable(double initialGuess, bool isFixed, double lowerBound, double upperBound)
{
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
this._LowerBound = lowerBound;
this._UpperBound = upperBound;
}
/// <summary>
/// Initializes a new instance of the OptBoundVariable class.
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="isFixed">Value that indicates if the variable is fixed.</param>
/// <param name="lowerBound">The lower bound.</param>
/// <param name="upperBound">The upper bound.</param>
public OptBoundVariable(string name, double initialGuess, bool isFixed, double lowerBound, double upperBound)
{
this._Name = name;
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
this._LowerBound = lowerBound;
this._UpperBound = upperBound;
}
#endregion
#region Properties
/// <summary>
/// The lower bound.
/// </summary>
public double LowerBound
{
get { return _LowerBound; }
set { _LowerBound = value; }
}
/// <summary>
/// The upper bound.
/// </summary>
public double UpperBound
{
get { return _UpperBound; }
set { _UpperBound = value; }
}
#endregion
#region Internal Properites
internal bool UseBounds
{
get { return _UseBounds; }
set { _UseBounds = value; }
}
#endregion
#region Methods
internal static OptBoundVariable[] GetClon(OptBoundVariable[] variables)
{
OptBoundVariable[] cloned = new OptBoundVariable[variables.Length];
for (int i = 0; i < variables.Length; i++)
{
cloned[i] = variables[i].GetClon();
}
return cloned;
}
internal OptBoundVariable GetClon()
{
OptBoundVariable clon = new OptBoundVariable(this._Name, this._InitialGuess, this._Fixed, this._LowerBound, this._UpperBound);
return clon;
}
public override string ToString()
{
string s = "n: " + this._Name + ", ig: " + this.InitialGuess.ToString() + ", f: " + this.Fixed.ToString() + ", l: " + this._LowerBound + ", u:" + this._UpperBound;
return s;
}
#endregion
}
}
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