gtsam::MatrixProdFunctor Struct Reference

Public Member Functions
int	cols () const
	MatrixProdFunctor (const Sparse &A, double sigma=0)
void	perform_op (const double *x, double *y) const
int	rows () const

Public Attributes
const Sparse &	A_
double	sigma_

Detailed Description

This is a lightweight struct used in conjunction with Spectra to compute the minimum eigenvalue and eigenvector of a sparse matrix A; it has a single nontrivial function, perform_op(x,y), that computes and returns the product y = (A + sigma*I) x

Definition at line 572 of file ShonanAveraging.cpp.

Constructor & Destructor Documentation

MatrixProdFunctor()

gtsam::MatrixProdFunctor::MatrixProdFunctor ( const Sparse &  A, double  sigma = 0  )

inlineexplicit

Definition at line 581 of file ShonanAveraging.cpp.

Member Function Documentation

cols()

int gtsam::MatrixProdFunctor::cols ( ) const

inline

Definition at line 585 of file ShonanAveraging.cpp.

perform_op()

void gtsam::MatrixProdFunctor::perform_op ( const double *  x, double *  y  ) const

inline

Definition at line 588 of file ShonanAveraging.cpp.

rows()

int gtsam::MatrixProdFunctor::rows ( ) const

inline

Definition at line 584 of file ShonanAveraging.cpp.

Member Data Documentation

A_

const Sparse& gtsam::MatrixProdFunctor::A_

Definition at line 575 of file ShonanAveraging.cpp.

sigma_

double gtsam::MatrixProdFunctor::sigma_

Definition at line 578 of file ShonanAveraging.cpp.

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The documentation for this struct was generated from the following file:

• ShonanAveraging.cpp