H2Lib  3.0
Functions
h2update.h File Reference
#include "rkmatrix.h"
#include "clusteroperator.h"
#include "h2matrix.h"
#include "h2compression.h"

Go to the source code of this file.

Functions

real norm2_rkupdate_uniform (puniform u, uint k)
 Computes the Euclidean norm of the extended coupling matrix of the low rank update multiplied by weight matrices. More...
 
real normfrob_rkupdate_uniform (puniform u, uint k)
 Computes the Frobenius norm of the extended coupling matrix of the low rank update multiplied by weight matrices. More...
 
void rkupdate_h2matrix (prkmatrix R, ph2matrix Gh2, pclusteroperator rwf, pclusteroperator cwf, ptruncmode tm, real eps)
 Computes the low rank update $ G \gets G + R $. More...
 
pclusteroperator prepare_row_clusteroperator (pclusterbasis rb, pclusterbasis cb, ptruncmode tm)
 Prepares the weights of the row clusterbasis used by rkupdate_h2matrix and the arithmetic functions in h2arith. More...
 
pclusteroperator prepare_col_clusteroperator (pclusterbasis rb, pclusterbasis cb, ptruncmode tm)
 Prepares the weights of the column clusterbasis used by rkupdate_h2matrix and the arithmetic functions in h2arith. More...
 

Detailed Description

Author
Knut Reimer