无约束的

In Chapter 2, combining two types of the preconvex part of modified Broydens family with Armijo line search, we get two algorithms for solving unconstrained optimization problems, and prove these algorithms are global and superlinear convergence under some suitable conditions.

第二章，将两种修改Broyden非凸族与Armijo线搜索相结合，得到了求解无约束最优化问题两种算法，在适当的条件下，证明了这些算法具有全局收敛性和超线性收敛性。

The model considers not only the cost for static voltage stability,but also that for transient voltage security .

通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题，来表示暂态电压安全风险。

Trust region method is one of the most popular and effective methods for solving unconstrained optimization problems.

信赖域方法是求解无约束优化问题最常用和有效的方法之一。

The method of Lagrange multipliers can be used to reduce optimization problems with constraints to unconstrained optimization problems.

该方法的拉格朗日乘数可以用来减少优化问题与制约因素，无约束最优化问题。

The trust region method is a kind of efficient and robust ways to solve the ordinary unconstrained optimization problem.

对于一般的无约束优化问题，信赖域方法是一种有效而稳健的方法。

We discuss direct search methods for unconstrained optimization.

摘要 我们讨论无约束优化的直接搜索法。

This paper presents some new conjugate gradient methods for unconstrained optimization.

本文主要考虑求解无约束最优化问题的共轭梯度法。

Untrammelled industrialisation, particularly in poor countries, is contaminating rivers and aquifers.

无法律约束的工业化正在污染著河流和含水土层，这在贫穷国家里情况尤为常见。

On the basis of the un conditional variational problem of higher order derivatives, this paper studies conditional variational problem .

在含高阶导数的泛函无约束变分问题基础上，进一步研究条件变分问题。

In the method ,the blades are treated as rigid ones with offset and spring restrained hinges and with structural coupling between flap and lead lag motion for the purpose of being applicable to hingeless or starflex rotors .

采用带外伸量及弹性约束的当量铰桨叶模型，考虑了旋翼挥／摆结构耦合及动力入流非定常气动力，建立了悬停状态旋翼／机体耦合动稳定性分析方法，适用于星形柔性及无铰式等旋翼系统。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。