Matrix

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

Bases: dolfin.cpp.la.GenericMatrix

This class provides the default DOLFIN matrix class, based on the default DOLFIN linear algebra backend.

Create a Vector from a GenericVector .

Parameters:GenericMatrix & A (const) –

assign()

Assignment operator.

Parameters:GenericMatrix & A (const) – Return type:const GenericMatrix &

shared_instance()

Return concrete shared ptr instance / unwrap (const version)

Return type:std::shared_ptr< const LinearAlgebraObject >

thisown

The membership flag

zero()

Set all entries to zero and keep any sparse structure.

Return type:void