MatILUDTFactor

Performs a drop tolerance ILU factorization.

Synopsis

int MatILUDTFactor(Mat mat,double dt,int maxnz,IS row,IS col,Mat *fact)
Collective on Mat

Input Parameters

mat - the matrix
dt - the drop tolerance
maxnz - the maximum number of nonzeros per row allowed?
row - row permutation
col - column permutation

Output Parameters

fact -the factored matrix

Keywords

matrix, factor, LU, in-place

See Also

MatLUFactorSymbolic(), MatLUFactorNumeric(), MatCholeskyFactor()

Location: src/mat/interface/matrix.c
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