VectorSpaceBasis

class dolfin.cpp.la.VectorSpaceBasis(basis)

Bases: object

This class defines a basis for vector spaces, typically used for expressing nullspaces, transpose nullspaces and near nullspaces of singular operators

Constructor

dim()

Dimension of the basis

is_orthogonal()

Test if basis is orthogonal

is_orthonormal()

Test if basis is orthonormal

orthogonalize()

Orthogonalize x with respect to basis

thisown None

The membership flag