MINIMUM PRINCIPLE FOR QUADRATIC SPLINE COLLOCATION DISCRETIZATION OF A CONVECTION-DIFFUSION PROBLEM

Abstract. In this paper the quadratic spline di®erence scheme for a convection-di®usion problem is derived. With the suitable choice of collocation points we provide the dis-crete minimum principle. The numerical results implies the uniform convergence of order O(n¡2 ln2 n): 1