在matlab中画出振动相图的通用代码，还有轨迹代码等-Draw the the vibration phase diagram common code

主要用于高层建筑的减振设计,根据线性振动理论,用matlab高级语言编写-Mainly for the anti-vibration design of high-rise building, according to the linear vibration theory, written in a high-level language matlab

单自由度振动系统 基于MATLAB建模仿真,根据单自由度振动系统数学模型-Single degree of freedom vibration system modeling and simulation based on MATLAB, according to the mathematical model of single degree of freedom vibration system