matrix.csr.chol-class {SparseM} | R Documentation |
A class of objects returned from Ng and Peyton's (1993) block sparse Cholesky algorithm
Objects can be created by calls of the form new("matrix.csr.chol", ...)
.
nrow
:integer
, number of rows in the linear system of equations nnzlindx
:numeric
, number of non-zero elements in lindxnsuper
:integer
, number of supernodeslindx
:integer
, vector of integer
containing, in column major order, the row subscripts of the non-zero entries
in the Cholesky factor in a compressed storage formatxlindx
:integer
, vector of integer of pointers for lindxnnzl
:numeric
, number of non-zero
entries, including the diagonal entries, of the Cholesky factor stored in lnzlnz
:numeric
, contains the entries of the Cholesky factor xlnz
:integer
, column pointer for the Cholesky factor stored in lnzinvp
:integer
, vector of integer of inverse permutation vectorperm
:integer
, vector of integer of permutation vector xsuper
:integer
, array containing the supernode partioningdet
:numeric
, determinant of the Cholesky factorierr
:integer
, error flag time
:numeric
execution time signature(r = "matrix.csr.chol")
: ...