最优法

Evolutionary structural optimization is applied to determine the optimum shape of steel gusset plates subjected to axial forces.

渐进结构优化法被用于确定轴力作用下钢节点板的最优形状。

Hooke and Jeeves considered that direct search involves the comparison of each trial solution with the best previous solution.

胡克和吉夫斯认为直接搜索法包括每次的尝试解与前次最优解的比较。

These strategies include: an improved adaptive movement penalty method which prevent ill condition matrix based numerical instability, a network topology based identification method which prevent too much tuning and a limited times skipping method of trial iteration.

在上篇中，本文给出了以下内容：第二章详细描述了最优潮流牛顿算法的实现，着重分析了牛顿法实际应用中存在着的两个主要问题：数值不稳定性和如何快速正确地识别起作用的不等式约束集，并提出了相应的处理对策。

The titanium border grade of Panzhihua is identified by means of statistical and infinitesimal calculus(referring to the data of Yunan's titanium properly) to get optimum application.

通过用统计和曲线积分方法(并适当参考云南钛砂资源的资料)来确定调查区合理的钛砂矿边界品位，达到矿产资源的最优利用；以规则的取样投影图形代替水平投影，对传统的地质块段法储量估算进行了数学纠正以得到合理的估算参数，并对调查区钛砂资源进行了远景储量估算。

The OTSU algorithm （maximization of interclass variance） is considered as one of the superior threshold selection methods.But this method can not segment the path mark image successfully for our indigenous design and manufactured vision navigation intelligent vehicle under bright illumination.A new method based on regional Roberts gradient is proposed in order to solve this problem.

OTSU法被认为是图像分割中阈值自动选取的最优方法之一，针对自主开发的视觉导航区域交通智能车辆的导航路径在强光照条件下不能直接应用此方法取得准确分割效果的问题，提出了一种基于区域的罗伯特梯度算子的图像分割方法。

Thirdly, the model of Optimal Power Flow with UPFC is established, and solved by interior point method.

然后，建立了计及UPFC的最优潮流数学模型，并用内点法进行求解。

Lastly, the model of Transient Stability Constrained OPF with UPFC is established, and also solved by interior point method.

最后，建立了计及UPFC的暂态稳定约束最优潮流的模型，并用内点法进行求解。

In order to solve the secondary problem the Lagrange function was adopted in this paper.

同时，在子问题的求解工程中，利用拉格朗日乘数法求解考虑APF容量限制时注入谐波电流的最优值。

After introducing the primary approximation approaches for curve and surface offset, we give an optimal approximation approach for offsetting curve based on shifting control points, which relies on approximating the normal by Legendre polynomial approximation.

在全面介绍了等距曲线曲面逼近的主要方法以后，作者首先利用Legendre多项式得到基曲线法矢曲线的最佳平方逼近，由此给出了基于控制顶点偏移的等距曲线最优逼近的算法，它在算法效果和效率上都远优于其他同类算法。

The first is refered to the vibration model with retardation for the market equilibrium price, where the knowledge of the second order linear ordinary differential equation is used.

第一个是研究市场调节下平衡价格的阻尼振荡模型，使用了二阶线性常系数微分方程的课程知识；第二个是在引进社会福利因素时商品的最优定价模型，使用了定积分和微分法的课程知识。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。