| 1. | Direct search method 直接搜索法 |
| 2. | The results show that conic interpolation model method is an efficient direct search method . this should be further researched 试验结果表明锥函数插值模型算法是一类有效的直接方法,值得进一步研究。 |
| 3. | At the same time , this case also shows proof that polytope algorithm is an effective direct search method to treat multi - objective optimization with constraining conditions 同时证实了该算法是一种比较有效地处理有约束条件的多目标优化的直接搜索方法。 |
| 4. | As p - grid provides a directed search method , each time peers forward requests to those peers who are more probable to be responsible for the queries . this greatly enhances search efficiency 由于p - grid采用定向查找技术,每次都将查询请求转发给更有可能响应该请求的节点,因此将大大加快数据搜索速度。 |
| 5. | This paper mainly concerns the conic interpolation model method for unconstrained optimization and its implementation , the structure of which is organized as follows : firstly , we survey the history of the direct search methods concisely , and summarize the methods that are currently considered to be effective for unconstrained optimization 首先介绍了直接搜索方法的发展概况,归纳总结了目前比较有效的各种算法。其次论文对于数值试验结果较好的二次模型插值算法和发展概况做了概要性的介绍。 |
| 6. | The penalty function method first change the optimization problem with constraints to no constraint problem then solve the no constrains optimization problems using hooke - jeeves direct search method . the above method only use the dynamic analysis result together with penalty function method to solve the multibody desigen optimization problems , and separate the process of dynamic analysis and design optimization , so it is more common 由于该方法是将约束优化问题转化为无约束优化问题,针对无约束优化问题,本文采用通用的hooke - jeeves直接探索优化方法,有效的实现了多体系统动力学分析与优化设计的分离,从而具有通用性。 |
| 7. | Both the simplex method and the dfp method are referred to compare the efficiency of the direct search methods with that of the gradient methods . the differential method of stochastic fem is used to calculate the gradient of the objective function hi dfp method . firstly , deterministic fem for seepage is introduced systematically and stochastic fem for seepage is presented 为了对比直接法和梯度法的计算效率,本文采用两种优化方法对渗透系数的确定性反演问题进行了探讨:单纯形法和变尺度法,在分析算例的基础上,笔者就这两种优化方法的效率和稳定性等方面的问题提出自己的观点。 |