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

The membership flag