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