# FunctionAXPY¶

class dolfin.cpp.function.FunctionAXPY(*args)

Bases: object

This class represents a linear combination of functions. It is mostly used as an intermediate class for operations such as u = 3*u0 + 4*u1; where the rhs generates an FunctionAXPY .

Copy constructor.

Parameters: FunctionAXPY & axpy (const) –
Direction_ADD_ADD = 0
Direction_ADD_SUB = 2
Direction_SUB_ADD = 1
Direction_SUB_SUB = 3
thisown

The membership flag