def internal_neumann_condition(self, left_symbol_disc, right_symbol_disc, left_mesh, right_mesh):
    '\n        A method to find the internal neumann conditions between two symbols\n        on adjacent subdomains.\n\n        Parameters\n        ----------\n        left_symbol_disc : :class:`pybamm.Symbol`\n            The discretised symbol on the left subdomain\n        right_symbol_disc : :class:`pybamm.Symbol`\n            The discretised symbol on the right subdomain\n        left_mesh : list\n            The mesh on the left subdomain\n        right_mesh : list\n            The mesh on the right subdomain\n        '
    raise NotImplementedError
A method to find the internal neumann conditions between two symbols
on adjacent subdomains.

Parameters
----------
left_symbol_disc : :class:`pybamm.Symbol`
    The discretised symbol on the left subdomain
right_symbol_disc : :class:`pybamm.Symbol`
    The discretised symbol on the right subdomain
left_mesh : list
    The mesh on the left subdomain
right_mesh : list
    The mesh on the right subdomain
def internal_neumann_condition(self, left_symbol_disc, right_symbol_disc, left_mesh, right_mesh):
    '\n        A method to find the internal neumann conditions between two symbols\n        on adjacent subdomains.\n\n        Parameters\n        ----------\n        left_symbol_disc : :class:`pybamm.Symbol`\n            The discretised symbol on the left subdomain\n        right_symbol_disc : :class:`pybamm.Symbol`\n            The discretised symbol on the right subdomain\n        left_mesh : list\n            The mesh on the left subdomain\n        right_mesh : list\n            The mesh on the right subdomain\n        '
    raise NotImplementedError