非线性方程求根 (Solution of Non-linear Equation) 掌握二分法、不动点迭代、牛顿迭代法等常用的非线性方程迭代算法；加深对不同算法 收敛速度、对初值的依赖性等的认识。
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At the same time, homotopy algorithm is applied in the solution of non-linear equation of plane link curve, it enlarges the convergence range of optimization process steadily.
同时，在求解连杆曲线非线性方程组中引入同伦算法，使算法具有大范围收敛性，从而保证了优化过程的稳定收敛。
In order to study chaos movement, Accurate solution of non-linear free vibration differential equation is by solving a kind of free vibration equation of non-linear dynamics system.
为了研究混沌运动，对一类非线性动力系统的自由振动方程进行了求解，继之给出了单层扁锥面网壳非线性自由振动微分方程的准确解。
On the basis of non linear finite element method, fundamental equation and solution of pneumatic membrane structure finite element analysis are put forward.
以非线性有限元法为基础，提出充气薄膜结构有限元分析的基本方程及解法。
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