method of gradient造句

based on the theory of mechanical optimization and finite element analysis, elbow-bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation . firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient . meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained
本文以北京人民机器厂mp1040b型模切机肘杆机构为研究对象，以机械最优化理论和有限元技术为基础，首先对模切机肘杆机构建立数学模型，通过梯度法求解此非线性方程组,并得出机构在一个运动周期中各构件的角位移、角速度、加速度等运动参数及曲线。
It's difficult to find method of gradient in a sentence. 用method of gradient造句挺难的