org.apache.mahout.math.solver

Class JacobiConditioner

java.lang.Object

org.apache.mahout.math.solver.JacobiConditioner

All Implemented Interfaces:

Preconditioner

public final class JacobiConditioner
extends Object
implements Preconditioner

Implements the Jacobi preconditioner for a matrix A. This is defined as inv(diag(A)).

Constructor Summary

Constructors

Constructor and Description
JacobiConditioner(Matrix a)

Method Summary

Methods

Modifier and Type	Method and Description
Vector	precondition(Vector v) Preconditions the specified vector.

Methods inherited from class java.lang.Object

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

Constructor Detail

JacobiConditioner

public JacobiConditioner(Matrix a)

Method Detail

precondition

public Vector precondition(Vector v)

Description copied from interface: Preconditioner

Preconditions the specified vector.

Specified by:

precondition in interface Preconditioner

Parameters:

v - The vector to precondition.

Returns:

The preconditioned vector.