PETScLUSolver¶
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class
dolfin.cpp.la.PETScLUSolver(*args)¶ Bases:
dolfin.cpp.la.GenericLUSolver,dolfin.cpp.la.PETScObjectThis 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
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static
default_parameters()¶ Default parameter values
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get_operator()¶ Get operator (matrix)
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ksp()¶ Return petsc4py representation of PETSc LU solver
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static
methods()¶ Return a list of available solver methods
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set_operator()¶ Overloaded versions
set_operator(A)
Set operator (matrix)
set_operator(A)
Set operator (matrix)
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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
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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
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thisown¶ The membership flag