PETScLUSolver

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

Bases: dolfin.cpp.la.GenericLUSolver, dolfin.cpp.la.PETScObject

This class implements the direct solution (LU factorization) for linear systems of the form Ax = b. It is a wrapper for the LU solver of PETSc.

Overloaded versions

• PETScLUSolver(method=”default”)

  Constructor

• PETScLUSolver(A, method=”default”)

  Constructor

static default_parameters()

Default parameter values

get_operator()

Get operator (matrix)

get_options_prefix()

Returns the prefix used by PETSc when searching the options database

ksp()

static methods()

Return a list of available solver methods

set_operator()

Overloaded versions

• set_operator(A)

  Set operator (matrix)

• set_operator(A)

  Set operator (matrix)

set_options_prefix()

Sets the prefix used by PETSc when searching the options database

solve()

Overloaded versions

• solve(x, b)

  Solve linear system Ax = b

• solve(x, b, transpose)

  Solve linear system Ax = b

• solve(A, x, b)

  Solve linear system Ax = b

• solve(A, x, b)

  Solve linear system Ax = b

solve_transpose()

Overloaded versions

• solve_transpose(x, b)

  Solve linear system A^Tx = b

• solve_transpose(A, x, b)

  Solve linear system A^Tx = b

• solve_transpose(A, x, b)

  Solve linear system A^Tx = b

thisown None

The membership flag