org.apache.commons.math3.optim.nonlinear.vector
Class Weight

java.lang.Object
  org.apache.commons.math3.optim.nonlinear.vector.Weight

All Implemented Interfaces:

OptimizationData

public class Weight
extends Object
implements OptimizationData

Weight matrix of the residuals between model and observations.
Immutable class.

Since:

3.1

Version:

$Id: Weight.java 7721 2013-02-14 14:07:13Z CardosoP $

Constructor Summary

Weight(double[] weight)
Creates a diagonal weight matrix.

Weight(RealMatrix weight)

Method Summary

RealMatrix

getWeight() Gets the initial guess.

Methods inherited from class java.lang.Object

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

Constructor Detail

Weight

public Weight(double[] weight)

Creates a diagonal weight matrix.

Parameters:

weight - List of the values of the diagonal.

Weight

public Weight(RealMatrix weight)

Parameters:

weight - Weight matrix.

Throws:

NonSquareMatrixException - if the argument is not a square matrix.

Method Detail

getWeight

public RealMatrix getWeight()

Gets the initial guess.

Returns:

the initial guess.