主要实现两自由度机器人的位置姿态矩阵的建立以及求解雅可比矩阵，求解速度矩阵，求解加速度矩阵，求解运动学方程，求解动力学方程。-Two-DOF robot' s position and attitude matrix and solving the Jacobian matrix for solving the velocity matrix, solution acceleration matrix, solving the kinematic equations, solving th