Chapter5

代码说明：

  例1 验证方程组初值问题的解 例2 求一个二阶非齐次线性方程组的初值问题的三次近似解 例3 用逐次逼近法求方程组初值问题的解(Cases of a verification of equations initial value problem is solved two cases of seeking a second-order non-homogeneous linear equations of the approximate solution of initial value problem of the three cases of three successive approximation method with the initial value problem of seeking the solution of equations)