(self)
return ImmutableSparseMatrix(self)
Returns an Immutable version of this Matrix.
Returns an Immutable version of this Matrix.
Returns an Immutable version of this Matrix .
def as_immutable(self):
        """Returns an Immutable version of this Matrix."""
        from immutable import ImmutableSparseMatrix
        return ImmutableSparseMatrix(self)
def as_immutable ( self ) : from immutable import ImmutableSparseMatrix return ImmutableSparseMatrix ( self )