matrix.csr.chol-class: Class "matrix.csr.chol"
Description
A class of objects returned from Ng and Peyton's (1993) block
sparse Cholesky algorithmObjects from the Class
Objects can be created by calls of the form new("matrix.csr.chol", ...).Slots
nrow:- Object of class
integer, number of rows in the linear system of equations nnzlindx:- Object of class
numeric, number of non-zero elements in lindx nsuper:- Object of class
integer, number of supernodes lindx:- Object of class
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 format xlindx:- Object of class
integer, vector of integer of pointers for lindx nnzl:- Object of class
numeric, number of non-zero
entries, including the diagonal entries, of the Cholesky factor stored in lnz lnz:- Object of class
numeric, contains the entries of the Cholesky factor log.det:- Object of class
numeric, log determinant of the Cholesky factor xlnz:- Object of class
integer, column pointer for the Cholesky factor stored in lnz invp:- Object of class
integer, vector of integer of inverse permutation vector perm:- Object of class
integer, vector of integer of permutation vector xsuper:- Object of class
integer, array containing the supernode partioning det:- Object of class
numeric, determinant of the Cholesky factor ierr:- Object of class
integer, error flag time:- Object of class
numeric execution time
Methods
- backsolve
signature(r = "matrix.csr.chol"): ... - as.matrix.csr
signature(x = "matrix.csr.chol", upper.tri=TRUE): ...