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 mathematics software produced by MathWorks Company in the United States. It is a high-level technical computing language and interactive environment for algorithm development, data visualization, data analysis and numerical calculation. It mainly includes MATLAB and Simulink.)