查询词典 projection gradient method

Stereographic projection method used to determine the most possible sliding direction in geology was introduced into the interference energy method , and then the interference displacement method to determine the most dangerous slip mass was introduced for the first time.

首次将地质学中用于确定最不利滑向的赤平投影法引入干扰能量法，提出了确定最不利潜在滑面的干扰位移法。

Stereographic projection method used to determine the most possible sliding direction in geology was introduced into the interference energy method, and then the interference displacement method (1DM) to determine the most dangerous slip mass was introduced for the first time.

首次将地质学中用于确定最不利滑向的赤平投影法引入干扰能量法，提出了确定最不利潜在滑面的干扰位移法。

Stability of 14 high-cut slopes in Guangdong province is analyzed with typical rock mass structure analysis method and stereographic projection method, and with the numerical simulation method UDEC this paper simulated the excavation and reinforcement courses of the important slopes. Some conclutions and suggestions are based the analysis above.

本文结合广东某省道沿线14个高陡岩石边坡的开挖和支护方案的选择设计，运用常用的岩体结构分析方法和赤平投影方法对边坡的稳定性进行了分析，采用UDEC数值模拟方法对一些重点边坡的开挖支护进行了模拟，得出了以下一些结论： 1、边坡支护形式的选择应遵循"安全绿色、水土保持、恢复自然、环保之路"的设计原则。

Stability of 14 high-cut slopes in Guangdong province is analyzed with typical rock mass structure analysis method and stereographic projection method, and with the numerical simulation method UDEC this paper simulated the excavation and reinforcement courses of the important slopes. Some conclutions and suggestions are based the analysis above.

本文结合广东某省道沿线14个高陡岩石边坡的开挖和支护方案的选择设计，运用常用的岩体结构分析方法和赤平投影方法对边坡的稳定性进行了分析，采用UDEC数值模拟方法对一些重点边坡的开挖支护进行了模拟，得出了以下一些结论： 1、边坡支护形式的选择应遵循&安全绿色、水土保持、恢复自然、环保之路&的设计原则。

General method, including steepest descent method, conjugate gradient method and Dynamic Programming, is to search piecewise functions as the approximation with numerical methods on the base of Bellman\'s principle of optimality or the Hamiltonian function.

动态规划与智能仿生算法尤其适用于梯度信息不可得的情况。单一的优化方法用于不同情况下的化工动态优化问题未必可行有效，为此本文针对具体情况，提出了多种解法的集成策略。

The examples indicate that the algorithm has strong pertinence and high efficiency, hi the discrete variable optimization, the problem is solved in the relative quotient method On the base of analyzing the relative quotient method, the conjugate gradient direction is used to modify the old search directions, the iterative matrix of the algorithm, and the method to resolve the discrete variable optimization, the relative conjugate difference quotient algorithm is presented.

离散变量优化算法是从相对差商法开始的，在详细分析相对差上法的基础上，用共轭梯度方向修正原有的搜索方向，并对算法的迭代矩阵进行相关的修改，最终形成一种用于求解离散变量优化问题的RCDQ法。

General method, including steepest descent method, conjugate gradient method and Dynamic Programming, is t...

新型的智能仿生算法在动态优化问题中的应用也逐渐增多。

In the meantime, it can be seen that the conjugate gradient method or steepest descent method is a special case of the mixed method.

同时也可以看到共轭梯度法与最速下降法仅仅是混合算法的特例。

Based on the adequate study of general method to solve linear equation group, this thesis employs incomplete Cholesky conjugate gradient method for the numerical stability and efficiency of solution process. In order to eliminate morbidity of FEM coefficient matrix and speed up its convergency, this thesis proposes a newly effective incomplete Cholesky decomposition preconditioned method and suggests some improved preconditioned schemes to the current popular ICCG methods.

为了克服系数矩阵病态特性和加快收敛速度，本文从完全的Cholesky分解出发，构造出了一种新的不完全分解预处理方法，效果显著；另外，在已有的不完全Cholesky分解预处理方法的基础上，提出了十分有效的改进方案。

In order to analyse the structural reliability by stochastic finite element method rapidly and efficiently, a method combined with finite element method and gradient optimum algorithm based on ANSYS is presented when referring to the geometric interpretation of structural reliability index.

为快速、高效地进行基于随机有限元法的结构可靠度分析，从结构可靠性指标的几何意义出发，提出了在ANSYS平台上采用有限元法和梯度优化算法相结合的方法进行可靠度分析的构想，对ANSYS进行二次开发实现了该方法。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。