在波动方程有限差分数值模拟基础上，用波形记录残差平方并建立目标函数。
The objective function can be built based on the finite difference modeling for the wave equation.
利用非线性时域有限差分数值模拟方法，得到了高斯脉冲激励下的双稳态响应曲线。
The bistable hysteresis loops with Gaussian pulse pumps is obtained by using nonlinear FDTD method.
与此同时，本文采用蒙特卡罗模拟和有限差分数值算法，给国内可转债设计的两个条款——回售条款和回赎条款定价。
At the same time, using Monte Carlo simulation and finite difference method, the calling provision and put provision of domestic convertible bonds could be priced.
作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。
Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.
作者通过圣维南方程组的有限差分数值解并使用比例控制方式，编写出计算机程序，实现了自动上游控制灌溉渠道系统的计算机模拟。
Based on the numerical solution of Saint Venant Equations and proportional control mode, the author established a computer program for simulating automatic upstream control irrigation canal system.
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