说明：  MATLAB是美国MathWorks公司出品的商业数学软件，用于算法开发、数据可视化、数据分析以及数值计算的高级技术计算语言和交互式环境，主要包括MATLAB和Simulink两大部分。
(MATLAB is a commercial mathematical software produced by MathWorks company for the United States, senior technical computing algorithm development, data visualization, data analysis and numerical computing language and interactive environment, mainly includes two parts of MATLAB and Simulink.)