uBLASPreconditioner

class dolfin.cpp.la.uBLASPreconditioner(*args, **kwargs)

Bases: object

This class specifies the interface for preconditioners for the uBLAS Krylov solver.

init()

Overloaded versions

• init(P)

  Initialise preconditioner (sparse matrix)

• init(P)

  Initialise preconditioner (dense matrix)

• init(P)

  Initialise preconditioner (virtual matrix)

solve()

Solve linear system (M^-1)Ax = y

thisown

The membership flag