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

受阻力的球体运动轨迹程序，阻力与运动方向相反，满足阻力方程-By the resistance of the ball trajectory program, drag, and opposite to the direction of movement, and to meet the resistance equation

个人所写matlab代码，应用坐标变换原理模拟行星运动轨迹。其中涉及figure句柄、矩阵变换与图形object等等。-Matlab code, the use of coordinate transformation principle to simulate the planetary motion trajectory. Which involves figure handles, matrix transformations and graphical objects, and so o

完成六自由度机械手运动学仿真，经过验证符合机械手实际轨迹运动，附上程序(Six-degree-of-freedom robot kinematics simulation After verifying that the manipulator's actual trajectory is in motion attach the program)