H2Lib
3.0
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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 . 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... | |