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- Black-Scholes pricing model has no analytical formula of American put options,thus it cannot get accurate solution. Black-Scholes定价模型对美式看跌期权不存在解析公式,无法求其精确解。
- It is impossible to tackle all combinatorial optimization problems (COP) in deterministic polynomial time with accurate solution. 由于组合优化问题的解空间十分庞大,使用精确求解方法无法在确定多项式时间内求得它的最优解。
- This paper presents the accurate solution for the interference of two coherent point sources, which is a family of hyperboloid. 从精确的角度指出了大米企业进行技术创新解决问题获得效益的途径。
- The simulation results show that the global convergent G-N method can approach a much accurate solution with fewer iteration step. 仿真结果表明,用全局收敛的高斯-牛顿法解最小二乘方程组能得到更准确的解,且迭代次数较少。
- It is suggested that considering other data comprehensively at time of interpretation to eliminate subjective forejudge to reach accurate solution. 建议在解释时,综合考虑其它资料信息,减少主观臆断,以期得到准确解。
- A new integrable condition in a kind of special Abel equation is given in this paper. We can realize the special Abel equation integrability and accurate solution by computer. 给出一类特殊阿贝尔方程新的可积条件;实现了计算机对该类方程可积性及其精确解的自动判定.
- The unique accurate solution carl be provided by the least square method combined with the optimized FIT method in the paper and the method is better than FWM method. 用本文提出的最小二乘法与最优化方法相结合的 FIT 法估计参数,比 PWM 法更好,且能给出唯一解。
- Moreover, it edits the calculating programs in both index Method,which gives the approximate solution and Simplex Algorithm,which gives the accurate solution. 设计了用指数法求近似解或单纯形法求精确解的算法程序。
- This alogrithm makes the ful use of RGA"s advantages of real genetic alogrithm thereby obtaining the optimal solution or accurate solution as quickly as possible. 该算法充分利用了实数遗传算法的全局搜索能力和鲁棒性强等优点,从而能较快地得到最优解或准最优解。
- FCT yields more accurate solution for increasing order of differencing approximations.Moreover, it results in a net computation savings for allowing coarser grids. FCT方法用于高阶差分既具有较高的计算精度,又因适应采样间隔较大的情况而节省了计算量,从而具有较高的计算速度。
- It realizes SOR iteration method on the computer, gets a set of numerical solution approximated to the accurate solution, and vaalidates the accuracy of SOR iteration method. 将超松弛迭代算法在计算机上实现,得出了一组与精确解较接近的数值解,验证了逐次超松弛(SOR)迭代法的精确性。
- The diffusion equation of the photon transport in a multi-layered medium with mismatched refractive index is analyzed, and the accurate solution of the diffuse equation is set up. 分析了光在多层不匹配折射率介质中的漫射方程,给出了精确的漫射方程解。
- Because this setting has an influence on the number of generated mesh cells, a more accurate solution requires longer CPU time and more computer memory. 因为这设置有对产生的格网小块的数量的影响,一种更多准确的解决要求较长的中央控制器时间和更多计算机记忆。
- The calculation formulas on geometric sliding rate of the DISCO CVT are derived, and the numerical calculation method on sliding rate is put forward with a accurate solution program. 推导了行星锥盘无级变速器几何滑动率的计算公式,提出了对其几何滑动率进行数值计算的方法,编制了精确求解的程序;
- In order to obtain accurate solutions, the circulation was taken into account when deriving the farfield conditions. 计算中采用了当地时间步长、 隐式残值光滑等加速收敛技术。
- A square plate with four edges free, supported at four corners, and loaded uniformly distributed or concentrated are calculated by this general analytical method, which gives the accurate solution. 采用该解析法对四边自由四角支承的承受均布载荷或集中载荷的方板进行了计算,给出了精确的解。
- The simple and accurate solutions of thermoelastic responses of functionally gradient material cylinders and spheres are developed. 针对梯度功能材料圆柱壳的轴对称热弹性响应和球壳的球对称热弹性响应提出了简单而精确的解。
- The development of the system was based on a modular concept so that there are cheap, easy to fit and accurate solutions both for initial equipment and for retrofitting. 系统的开发基于模块化理念所以它对于初次安装和改装来说都是廉价的,易于安装和精确的方案。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- The sale department makes an accurate forecast of sale. 销售部门做了一项准确的销售预测。