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.

Overloaded versions

• FunctionAXPY(func, scalar)

  Constructor

• FunctionAXPY(axpy, scalar)

  Constructor

• FunctionAXPY(func0, func1, direction)

  Constructor

• FunctionAXPY(axpy, func, direction)

  Constructor

• FunctionAXPY(axpy0, axpy1, direction)

  Constructor

• FunctionAXPY(pairs)

  Constructor

• FunctionAXPY(axpy)

  Copy constructor

ADD_ADD = 0

ADD_SUB = 2

SUB_ADD = 1

SUB_SUB = 3

pairs()

Return the scalar and Function pairs

thisown None

The membership flag