nabla_u            56 src/secOrd_op_brusselator_impl.cpp   Jacobian_range nabla_u;
nabla_u            57 src/secOrd_op_brusselator_impl.cpp   cf.jacobian(q[pt], nabla_u);
nabla_u            58 src/secOrd_op_brusselator_impl.cpp   return nabla_u;
nabla_u            69 src/secOrd_op_linearHeat.cpp   Jacobian_range nabla_u;
nabla_u            70 src/secOrd_op_linearHeat.cpp   cf.jacobian(q[pt], nabla_u);
nabla_u            71 src/secOrd_op_linearHeat.cpp   return nabla_u;