LinearSolver

class dolfin.cpp.la.LinearSolver(*args)

Bases: dolfin.cpp.la.GenericLinearSolver

This class provides a general solver for linear systems Ax = b.

Friends: KrylovSolver, LUSolver, LinearVariationalSolver, NewtonSolver.

Create linear solver.

Parameters:

• comm (MPI_Comm) –
• method (std::string) –
• preconditioner (std::string) –

static default_parameters()

solve()

Solve linear system Ax = b.

Parameters:

• GenericLinearOperator & A (const) –
• & x (GenericVector) –
• GenericVector & b (const) –

Return type:

std::size_t

thisown

The membership flag