Numerical optimization in a structured unstructured grid 非结构网格中的数值优化计算
Numerical optimization of circulation distribution on marine propellers 船舶螺旋桨叶片环量的数值优化
Vanderplaats , g . n . , numerical optimization techniques for engineering design , mcgraw - hill ( 1993 ) 徐业良,工程最佳化设计,国立编译馆( 1995 )
A comparative study on some typical improved models of bp networks , which based on gradient descent and numerical optimization are proposed 全局优化改进策略从基于网络模型的优化和基于网络算法的优化两个方面考虑。
The orthogonal design and least square methods were used to fit the response surface , and the optimal one was obtained by the numerical optimization program dot 根据正交试验设计法安排每个试验点,最小二乘法拟合响应面,利用dot程序得到该响应面的最优值。
Backpropagation model of the ann is used in knowledge storage and the leverberg - marquardt algorithm based on numerical optimization is used in training the neural networks 采用了基于数值优化的leverberg - marquardt (简称lm )算法,对网络进行训练,完成知识库的组建。
The design method proposed in this paper is , in principle , based on the potential - stream function inverse method , using numerical optimization to obtain optimized blade profiles 本文是在反方法叶型设计的基础上,采用优化方法有效调节给定的初始速度分布来获得优化叶型。
Studies have shown that the computing efficiency and the convergence rate of mec are generally higher than those of gas by more than 50 % in the numerical optimization 研究已经表明, mec的计算效率和收敛性能比标准ga及其它进化算法一般要高50以上,说明mec是一种高效的算法。
At the temperature level of - 60 ? , verious experiments are conducted on the cycles of lhr , acr _ i , acr _ r , with two component mixed refrigerants . the results are consistent with that of the numerical optimization 在即温度位,对利用二元混合工质组元的mr 、 “凡i和北lr循环分别进行了实验优化研究。
This paper is devoted to some numerical optimization methods and optimization models for solving practical problems in real world . the methods we concern with are the conjugate gradient algorithms , evolutionary algorithms and goal programming 本文对近年来备受关注的几类最优化方法(共轭梯度算法、进化算法和目标规划法)的理论性质及应用进行了研究,主要研究成果如下: 1