MatIncompleteCholeskyFactorSymbolic
Performs symbolic incomplete Cholesky factorization for a symmetric matrix. Use MatCholeskyFactorNumeric() to complete the factorization.
Synopsis
int MatIncompleteCholeskyFactorSymbolic(Mat mat,IS perm,double f,int fill,Mat *fact)
Collective on
Mat
Input Parameters
mat | - the matrix
|
perm | - row and column permutation
|
fill | - levels of fill
|
f | - expected fill as ratio of original fill
|
Output Parameter
fact -the factored matrix
Note: Currently only no-fill factorization is supported.
Keywords
matrix, factor, incomplete, ICC, Cholesky, symbolic, fill
See Also
MatCholeskyFactorNumeric(), MatCholeskyFactor()
Location: src/mat/interface/matrix.c
Matrix Index
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