Boundary Value Problems, BCs, nonlinear, nonuniform

• How are Neumann (or Robin) BC’s treated using the Ghost Cell Method?
• How are Neumann (or Robin) BC’s treated using the Other Method?
• What is an advantage of the Ghost Cell Method?
• What is an advantage of the Other Method?
• For nonlinear equations, what do we mean by “lag and iterate?”
• Besides lagging nonlinear terms, what is another way to linearize a nonlinear term?
  • Which would you expect to converge faster?
• If you apply a finite difference approximation that is second order accurate on a uniform grid, what is the order of the method when applied to a nonuniform grid?
• Outline how to use an analytic stretching function to maintain the order of a discritization while using a nonuniform grid.