优化问题

A hybrid fast genetic algorithm (H2O) is proposed on the basis of various characteristics of nature evolution. This algorithm is combined with niche technician, a variety of crossover schemes, multi-populations and catastrophism phenomenons.

为了有效地克服非线性、多参数、多极值的组合优化问题中遗传算法的早熟收敛现象，引入生物的小生境技术和自然界生物多种杂交方式并存、多个子群体并行以及灾变现象而提出了一种综合的快速基因搜索策略。

In Part two, it is proved that, the evolution strategy of uniform distribution for continuous functions, asymptotically converges to the global optimal solutions in probability, by using central limit theorem, under suitable conditions. Then a new kind of evolution strategies is proposed.

第二部分，针对连续函数优化问题，利用中心极限定理，在较弱的条件下，首先证明了基于均匀分布的进化策略是依概率收敛的，然后给出了采用一般连续型随机变量作为变异算子的进化策略依概率收敛的证明。

Therefore, based on the study, we put effort level into the basic model, and we study the optimization problem of retailer, supplier, as well as supply chain decision-making on the condition of considering the marketdemand and effort level.

因此，在基本模型研究基础上，将努力水平引入契约模型，考察在产品市场需求与努力水平相关情况下，销售商、供应商，以及供应链的决策优化问题。5。

This algorithm combines the optimization of the characteristic vector and the adaptability of the neural network to improve the recognition rate and the robustness of the algorithm to noises.

事实上，学习过程的本质是特殊多元优化问题，BP算法即是以负梯度为寻查方向的线性收敛速度算法。

In this thesis, we mainly consider the following problem: global min f s.t where is a closed interval,and is over .

本文主要考虑如下全局优化问题： global min f s.t 其中为一闭区间，为上的函数。

A kind of optimization containing step function in coefficient is studied in this paper.

研究了一类系统含阶梯函数的优化问题。

It has achieved some success in solving combinational optimization problems.

蚁群算法是一种应用于组合优化问题的启发式搜索算法。

In the family of neural network model, this kind of model is first to be put into use for solving combinatorial optimization problem.

在人工神经网络众多的模型中，这一网络模型是用于求解组合优化问题最早，也是最常用的一种。

On the analysis of optimal entropy, we are aware that threshold selection can be viewed as a combinatorial optimization problem.

蚁群算法是一种新兴的仿生进化算法，已成功的应用于大批组合优化问题的处理。

It can easily be modified for any combinatorial problem for which there is no good specialized algorithm up to now.

对於目前仍没有较好解法的组合优化问题，通过此算法修改很容易解决。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新