pub fn prefactorize_symbolic_cholesky<'out, I: Index>(
etree: &'out mut [I::Signed],
col_counts: &mut [I],
A: SymbolicSparseColMatRef<'_, I>,
stack: &mut MemStack,
) -> EliminationTreeRef<'out, I>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