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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