org.lcsim.fit.polynomial

Class PolynomialFit

java.lang.Object

org.lcsim.fit.polynomial.PolynomialFit

public class PolynomialFit
extends Object

Encapsulates the behavior of a least-squares polynomial fit to two-dimensional data points.

Version:

1.0

Author:

Norman A. Graf

Field Summary

Fields

Modifier and Type	Field and Description
private Matrix	_covariance
private Matrix	_parameters

Constructor Summary

Constructors

Constructor and Description
PolynomialFit(Matrix p, Matrix c) Creates a new instance of PolynomialFit

Method Summary

Methods

Modifier and Type	Method and Description
Matrix	covariance() Return the covariance matrix
Matrix	parameters() Return the fit parameters.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_parameters

private Matrix _parameters

_covariance

private Matrix _covariance

Constructor Detail

PolynomialFit

public PolynomialFit(Matrix p,
             Matrix c)

Creates a new instance of PolynomialFit

Parameters:

p - The vector of fit parameters.

c - The covariance matrix of the fit parameters.

Method Detail

parameters

public Matrix parameters()

Return the fit parameters.

Returns:

The vector of fit parameters as a (nX1) Matrix

covariance

public Matrix covariance()

Return the covariance matrix

Returns:

The covariance matrix as an (nxn) Matrix.