HSL MA27

class pyomo.contrib.pynumero.linalg.ma27_interface.MA27(cntl_options=None, icntl_options=None, iw_factor=1.2, a_factor=2)[source]

Bases: DirectLinearSolverInterface

do_back_solve(rhs: ndarray | BlockVector, raise_on_error: bool = True) → Tuple[ndarray | BlockVector | None, LinearSolverResults][source]
do_numeric_factorization(matrix: spmatrix | BlockMatrix, raise_on_error: bool = True) → LinearSolverResults[source]
do_symbolic_factorization(matrix: spmatrix | BlockMatrix, raise_on_error: bool = True) → LinearSolverResults[source]
get_cntl(key)[source]
get_icntl(key)[source]
get_info(key)[source]
increase_memory_allocation(factor)[source]
set_cntl(key, value)[source]
set_icntl(key, value)[source]
solve(matrix: spmatrix | BlockMatrix, rhs: ndarray | BlockVector, raise_on_error: bool = True) → Tuple[ndarray | BlockVector | None, LinearSolverResults]