HSL MA57

class pyomo.contrib.pynumero.linalg.ma57_interface.MA57(cntl_options=None, icntl_options=None, work_factor=1.2, fact_factor=2, ifact_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]

get_rinfo(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]