7.1 Consistence, Convergence and Stability of Discretized Equations 7.1.1 Truncation error and consistence(相容性) 7.1.3 Round off error (舍入误差)and stability (稳定性) of initial problems(初值问题) 7.1.4 Examples 7.1.2 Discretization error(离散误差) and convergence(收敛性) 7.2 von Neumann Method for Analyzing Stability of Initial Problems 7.2.1 Propagation of error vector with time 7.2.2 Discrete Fourier expansion 7.2.3 Basic idea of von Neumann analysis 7.2.4 Examples of von Neumann analysis 7.2.5 Discussion on von Neumann analysis