查询词典 projection gradient method

Conjugate gradient method, the use of Newton's law or the use of parabolic interpolation.

共轭梯度法，使用牛顿法或者使用抛物线插值法。

According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method.

并根据滤波矩阵的特殊性，釆用共轭梯度法求解滤波方程。

Optimization of the use of punitive factor function in the epitaxial sustaining a conjugate gradient method...

最优化中利用惩罚因子的罚函数法的外延，连带了共轭梯度法，由于罚因子的迅速跌代增大，加速了目标函数的收敛速度。

Nonlinear Conjugate Gradient Method; Line Search; Sufficient Descent Direction; Global Convergence

基础科学，数学，运筹学非线性共轭梯度法；线性搜索；充分下降方向；全局收敛性

Diversification effect is the key to the economic capital allocation, the consistency of principle Meeting no undercut and the corresponding gradient method was introduced to the economic capital allocation; the residual risk based on the risk and cost also was introduced to the allocation of economic capital.

组合效应是经济资本配置的关键，满足无缩减性的一致性原则及相应的梯度法被引入到经济资本配置的研究中；基于风险和成本相统一的风险残余法也被引入到经济资本配置的研究。

Firstly, the approach formulates a cost functional to turn the inverse problem into a constrained minimization problem according to least squares criterion, then the resulting constrained minimization problem is transformed into an unconstrained minimization problem by using a penalty function technique, and then the closed Fr chet derivatives of the Lagrange function with respect to the properties are derived based on the calculus of variations, finally, one can solve the resulting problem by using any gradient-based algorithm and the finite-difference time-domain method.

该方法首先以最小二乘准则构造目标函数，将逆问题表示为约束最小化问题；接着应用罚函数法转化为无约束最小化问题；然后基于变分计算导出闭式的拉格朗日函数关于特征参数的Fr chet导数；最后借助梯度算法和时域有限差分法迭代反演德拜模型参数。

All the following process was done on the sub image. Second, the morphology gradient theorem and its converse theorem were both proved. And the DGT reverse theorem was used to look for the regional maxima points of the sub image. In the improved region growing method, the seeds were those regional maxima points.

然后证明了数学形态学的膨胀梯度定理(dilation gradient theorem， DGT)及其逆定理，并利用DGT逆定理查找图像的局部极大值点，将灰度值不为0的局部极大值点作为区域生长法的种子点。

He proved that the left ward turning of Yangtze river diluted water is mainly resulted from the interaction between the bottom declining and the lag of the transversal pressure gradient, made the numerical simulation and preliminary study on the thermohaline staircase structure formation mechanism, improved American Academician Wunsch's inverse method of ocean circulation, jointed the discover of " Mindanao Under Current", which is the first ocean current found and named by Chinese scientists and widely accepted over the world, simulated the horizontal and vertical carbon fluxes in East China Sea by a simple ecosystem model, estimated the photosynthesis efficiency less than 8% in Jiaozhou Bay, applied statistical downscaling technology to Chinese coast and Japanese islands realizing the simulation and forecast of sea level low frequency variations, pointed out that the quasi-periodicity of El Nino events should be resulted from the interaction between the 3~4 year oscillation in tropical Pacific and decadal oscillation in the northern Pacific of middle latitudes of the air-sea coupled climate system and at decadal time scale the precipitation influence on sea level variation along Chinese coast and Japanese islands becomes more important, which is closely related to the decadal oscillation of air-sea coupled climate system, therefore precipitation most likely play a major role for the decadal oscillation formation;; proposed Extended Associate Pattern Analysis to analyse combined observed datasets of sea surface temperature and sea level pressure or geopotential hight at 1000 hPa (GH1000) over the Pacific and related seas.

论证了长江冲淡水向左转向主要由于底形下倾与横向压力梯度滞后相互作用的结果。对温盐阶梯结构的形成过程及物理机制进行了数值模拟与初步探讨。改进了美国科学院院士Wunsch的大洋环流反演法。与胡敦欣院士共同发现了"棉兰老潜流"，这是第一支由中国科学家发现、命名并得到普遍承认的洋流。借助较为简单的生态模式数值模拟了东海的水平与垂直碳通量；胶州湾浮游植物的屏蔽效应可以使底层海水温度在升温季节降低2度，由此推算出其光合作用的效率应小于8%；浮游植物春季水华的生物过程实际上强化了海水层化的物理过程。将统计学降尺度技术应用于日本列岛和我国沿海，实现了海平面长周期变化的模拟与预报。

A cryostat used to fabricate cryogenics target by the thermal gradient method is designed. Upper and nether thermal pole are used to make the sample box cooling down.

同时研制和设计了一种热梯度法制备核聚变低温冷冻靶用的带光学窗口的异型低温恒温器。

By the general method and the finite element analysis, the distributing situation of the stress gradient on the oil cylinder has been gained.

采用常规方法和有限元分析，确定油缸上应力梯度的分布情况。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。