Topic: Computation in Dynamic Economies Outline: I. Approximations 1. Linear approximations 2. Weighted residual approximations a. Least-squares b. Collocation c. Galerkin 3. Finite difference approximations a. the ``convection'' terms b. the ``diffusion'' terms c. the ``growth/decay'' terms II. Application a. Statement of the problem b. Form of the approximate solution c. Imposing boundary conditions d. Computing the approximate solution e. Application to economic problems Preliminaries/tools required: 1. solving linear system of equations 2. solving nonlinear system of equations 3. numerical differentiation 4. numerical integration