Function extendr_api::prelude::sparse::linalg::cholesky::simplicial::prefactorize_symbolic_cholesky
pub fn prefactorize_symbolic_cholesky<'out, I>(
etree: &'out mut [<I as Index>::Signed],
col_counts: &mut [I],
A: SymbolicSparseColMatRef<'_, I>,
stack: PodStack<'_>,
) -> EliminationTreeRef<'out, I>where
I: Index,
Expand description
Computes the elimination tree and column counts of the Cholesky factorization of the matrix
A
.
ยงNote
Only the upper triangular part of A
is analyzed.