包括脚本文件和函数文件形式，详细画出了时域和频域的相关图，包含优化类的几个简单示例程序，包括回归分析和概率统计，微分方程组数值解方法，应用小区域方差对比，程序简单。- Including scr ipt files and function files in the form, Correlation diagram shown in detail the time domain and frequency domain, Optimization class contains several simple sample programs, Including regression analysis and probability and statistics, Numerical solution of differential equations method, Application of small area variance comparison, simple procedures.