常用算法的C语言实现方法，如迭代法，穷搜法，递推法等等。-commonly used algorithm in C language, such as iterative method, Anything, recursion, and so on.

介绍了常用的最优估计方法，包括最小二乘发，极大似然估计法，递推法等-The optimal estimation is introduced several kinds of commonly used methods, including least squares, maximum likelihood estimation, recurrence, etc