用 Matlab 编程模拟 李萨如曲线 两互相垂直的，频率成一定整数比例关系的简谐振动合成，合振动为有一定规则的稳定的闭合曲线，称李萨如曲线。运行程序，令a=pi/3,k=3可得李萨如曲线-simulation using Matlab programming Lissajous curve as two mutually perpendicular. frequency of a certain proportion of the whole synthesis of harmonic v