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using System;
using System.Collections.Generic;
using System.Text;
namespace DotNumerics.Optimization
{
/// <summary>
/// Represents a varaible that can be used in optimization classes.
/// </summary>
public class OptVariable
{
#region Fields
/// <summary>
/// The variable name.
/// </summary>
protected string _Name = "P";
/// <summary>
/// The initial guess for this variable.
/// </summary>
protected double _InitialGuess = 1;
/// <summary>
/// Value that indicates if the variable is fixed.
/// </summary>
protected bool _Fixed = false;
#endregion
#region Constructor
/// <summary>
/// Initializes a new instance of the OptVariable class.
/// </summary>
public OptVariable()
{
}
/// <summary>
/// Initializes a new instance of the OptVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
public OptVariable(double initialGuess)
{
this._InitialGuess = initialGuess;
}
/// <summary>
/// Initializes a new instance of the OptVariable class.
/// </summary>
/// <param name="name">The variable name.</param>
/// <param name="initialGuess">The initial guess.</param>
public OptVariable(string name, double initialGuess)
{
this._Name = name;
this._InitialGuess = initialGuess;
}
/// <summary>
/// Initializes a new instance of the OptVariable class.
/// </summary>
/// <param name="initialGuess">The initial guess.</param>
/// <param name="isFixed">Value that indicates if the variable is fixed.</param>
public OptVariable(double initialGuess, bool isFixed)
{
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
}
/// <summary>
/// Initializes a new instance of the OptVariable 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 OptVariable(string name, double initialGuess, bool isFixed)
{
this._Name = name;
this._InitialGuess = initialGuess;
this._Fixed = isFixed;
}
#endregion
#region Properties
/// <summary>
/// The variable name.
/// </summary>
public string Name
{
get { return _Name; }
set { _Name = value; }
}
/// <summary>
/// The initial guess for this variable.
/// </summary>
public double InitialGuess
{
get { return _InitialGuess; }
set { _InitialGuess = value; }
}
/// <summary>
/// Value that indicates if the variable is fixed.
/// </summary>
public bool Fixed
{
get { return _Fixed; }
set { _Fixed = value; }
}
#endregion
public override string ToString()
{
string s = "n: " + this._Name + ", ig: " + this.InitialGuess.ToString() + ", f: " + this.Fixed.ToString();
return s;
}
}
}
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