C# Class SwarmOps.Problems.CurveFittingExp

Curve-fitting to the exponential curve f(x) = B*Pow(A, x). You may wish to use a form of regression instead, depending on your requirements for statistical minimization of error.

Inheritance: CurveFitting

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Public Methods

Method	Description
ComputeY ( double parameters, double x ) : double	Compute the value y given x using the curve-fitting function.
CurveFittingExp ( double x, double y, double minA, double maxA, double minB, double maxB ) : System.Diagnostics	Create the object.
GetA ( double parameters ) : double	Get the A parameter.
GetB ( double parameters ) : double	Get the B parameter.
Gradient ( double parameters, double &v ) : int	Compute the gradient of the fitness-function.
SetA ( double &parameters, double a ) : void	Set the A parameter.
SetB ( double &parameters, double b ) : void	Set the B parameter.

Method Details

ComputeY() public method

Compute the value y given x using the curve-fitting function.

public ComputeY ( double parameters, double x ) : double
parameters	double	Parameters for curve-fitting function.
x	double	X-axis value.
return	double

CurveFittingExp() public method

Create the object.

public CurveFittingExp ( double x, double y, double minA, double maxA, double minB, double maxB ) : System.Diagnostics
x	double	X-axis values.
y	double	Y-axis values, curve to be fitted.
minA	double	Minimum value for A parameter.
maxA	double	Maximum value for A parameter.
minB	double	Minimum value for B parameter.
maxB	double	Maximum value for B parameter.
return	System.Diagnostics

GetA() public method

Get the A parameter.

public GetA ( double parameters ) : double
parameters	double
return	double

GetB() public method

Get the B parameter.

public GetB ( double parameters ) : double
parameters	double
return	double

Gradient() public method

Compute the gradient of the fitness-function.

public Gradient ( double parameters, double &v ) : int
parameters	double	Candidate solution.
v	double	Array for holding the gradient.
return	int

SetA() public method

Set the A parameter.

public SetA ( double &parameters, double a ) : void
parameters	double
a	double
return	void

SetB() public method

Set the B parameter.

public SetB ( double &parameters, double b ) : void
parameters	double
b	double
return	void