Package org.ddogleg.optimization.math

Class HessianSchurComplement_DDRM

java.lang.Object

org.ddogleg.optimization.math.HessianSchurComplement_Base<DMatrixRMaj>

org.ddogleg.optimization.math.HessianSchurComplement_DDRM

All Implemented Interfaces:

HessianMath, HessianSchurComplement<DMatrixRMaj>

public class HessianSchurComplement_DDRM
extends HessianSchurComplement_Base<DMatrixRMaj>

Implementation of HessianSchurComplement_Base for DMatrixRMaj

Field Summary

Fields inherited from class org.ddogleg.optimization.math.HessianSchurComplement_Base

solverA, solverD

Constructor Summary

Constructors

Constructor	Description
HessianSchurComplement_DDRM()
HessianSchurComplement_DDRM(LinearSolverDense<DMatrixRMaj> solverA, LinearSolverDense<DMatrixRMaj> solverD)

Method Summary

Modifier and Type	Method	Description
protected void	add(double alpha, DMatrixRMaj A, double beta, DMatrixRMaj B, DMatrixRMaj C)
void	computeHessian(DMatrixRMaj jacLeft, DMatrixRMaj jacRight)	Compuets the Hessian in block form
DMatrixRMaj	createMatrix()	Creates a matrix of the same type that this interface can process
protected void	divideRowsCols(double[] diagA, int offsetA, DMatrixRMaj B, double[] diagC, int offsetC)
protected void	extractDiag(DMatrixRMaj input, DMatrixRMaj output)
protected double	innerProduct(double[] a, int offsetA, DMatrixRMaj B, double[] c, int offsetC)
protected void	mult(DMatrixRMaj A, DMatrixRMaj B, DMatrixRMaj C)
protected void	multTransA(DMatrixRMaj A, DMatrixRMaj B, DMatrixRMaj C)

Methods inherited from class org.ddogleg.optimization.math.HessianSchurComplement_Base

computeGradient, divideRowsCols, extractDiagonals, init, initializeSolver, innerVectorHessian, setDiagonals, solve

Methods inherited from class java.lang.Object

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

Constructor Details

HessianSchurComplement_DDRM

public HessianSchurComplement_DDRM()

HessianSchurComplement_DDRM

public HessianSchurComplement_DDRM(LinearSolverDense<DMatrixRMaj> solverA,
 LinearSolverDense<DMatrixRMaj> solverD)

Method Details

computeHessian

public void computeHessian(DMatrixRMaj jacLeft,
 DMatrixRMaj jacRight)

Compuets the Hessian in block form

Parameters:

jacLeft - (Input) Left side of Jacobian

jacRight - (Input) Right side of Jacobian

createMatrix

public DMatrixRMaj createMatrix()

Description copied from interface: HessianSchurComplement

Creates a matrix of the same type that this interface can process

Returns:

matrx

innerProduct

protected double innerProduct(double[] a,
 int offsetA,
 DMatrixRMaj B,
 double[] c,
 int offsetC)

Specified by:

innerProduct in class HessianSchurComplement_Base<DMatrixRMaj>

extractDiag

protected void extractDiag(DMatrixRMaj input,
 DMatrixRMaj output)

Specified by:

extractDiag in class HessianSchurComplement_Base<DMatrixRMaj>

divideRowsCols

protected void divideRowsCols(double[] diagA,
 int offsetA,
 DMatrixRMaj B,
 double[] diagC,
 int offsetC)

Specified by:

divideRowsCols in class HessianSchurComplement_Base<DMatrixRMaj>

multTransA

protected void multTransA(DMatrixRMaj A,
 DMatrixRMaj B,
 DMatrixRMaj C)

Specified by:

multTransA in class HessianSchurComplement_Base<DMatrixRMaj>

add

protected void add(double alpha,
 DMatrixRMaj A,
 double beta,
 DMatrixRMaj B,
 DMatrixRMaj C)

Specified by:

add in class HessianSchurComplement_Base<DMatrixRMaj>

mult

protected void mult(DMatrixRMaj A,
 DMatrixRMaj B,
 DMatrixRMaj C)

Specified by:

mult in class HessianSchurComplement_Base<DMatrixRMaj>