extendr_api::prelude::sparse::linalg

Module colamd

Expand description

Approximate minimum degree column ordering.

Structs§

Control
Tuning parameters for the AMD implementation.

Functions§

order
Computes the approximate minimum degree ordering for reducing the fill-in during the sparse QR factorization of a matrix with the sparsity pattern of A.
order_req
Computes the size and alignment of required workspace for computing the COLAMD ordering of a matrix.