Linear Solver Base Classes

class pyomo.contrib.pynumero.linalg.base.LinearSolverStatus(value)

Bases: Enum

An enumeration.

error = 3

max_iter = 5

not_enough_memory = 1

singular = 2

successful = 0

warning = 4

class pyomo.contrib.pynumero.linalg.base.LinearSolverResults(status: LinearSolverStatus | None = None)

Bases: object

class pyomo.contrib.pynumero.linalg.base.LinearSolverInterface

Bases: object

abstract solve(matrix: spmatrix | BlockMatrix, rhs: ndarray | BlockVector, raise_on_error: bool = True) → Tuple[ndarray | BlockVector | None, LinearSolverResults]

class pyomo.contrib.pynumero.linalg.base.DirectLinearSolverInterface

Bases: LinearSolverInterface

abstract do_back_solve(rhs: ndarray | BlockVector, raise_on_error: bool = True) → Tuple[ndarray | BlockVector | None, LinearSolverResults]

abstract do_numeric_factorization(matrix: spmatrix | BlockMatrix, raise_on_error: bool = True) → LinearSolverResults

abstract do_symbolic_factorization(matrix: spmatrix | BlockMatrix, raise_on_error: bool = True) → LinearSolverResults

solve(matrix: spmatrix | BlockMatrix, rhs: ndarray | BlockVector, raise_on_error: bool = True) → Tuple[ndarray | BlockVector | None, LinearSolverResults]