查询词典 descent

This chapter investigates global convergence properties of the conjugate descent method with the two Armijo-type line searches.

进而证明了这两种Armijo型线搜索可保证共轭下降法的下降搜索方向的充分下降性。

This paper illustrates various methods which are being used and being researched both home and overseas at the present time, such as the method of steepest descent, dynamic programming method, expert system method and genetic algorithm etc.

分析了低空突防路径规划应满足的条件和特点，阐述了目前国内外正在应用和研究的几种路径规划方法：最速下降法、动态规划法、专家系统法和遗传算法等的研究现状和发展方向。

MATLAB code used to achieve the steepest descent method calculations.

详细说明：用MATLAB代码来实现最速下降法的计算。

A PID-like cost function is proposed, and it can be proved that the PID algorithm is the gradient descent method as long as the cost function is selected as ours.

这种新颖的控制器算法具有自适应功能，原因是控制律中引入了被控对象的灵敏度，从而提高整个控制系统在参数变化及受到负载扰动时的鲁棒性。

The steepest descent method was applied in optimization to solve the quadratic matrix equation,and a new algorithm was given.

结合优化理论中最速下降法思想，给出一种新的算法解二次矩阵方程，并列出几个数值例子说明算法是可行的。

By combining this method with descent methodand NCP function, we establish a globally convergent method for the GNCP.

其次，在局部积极集牛顿算法的基础上，结合互补函数以及最速下降算法，我们又建立了一类新的求解广义互补问题的全局收敛算法。

The steepest descent method using the AGC simulation, compared with the average error, and only when the second error control effect.

详细说明：采用最速下降法的AGC仿真，比较了用误差平均和仅用当次误差的控制效果。

This paper analyzes effects of learning rate and hidden layers node number of the RBF multiuser detection technology trained by gradient descent method on arithmetic performance.

3分析了梯度下降法训练的RBF神经网络多用户检测中学习速率和隐含层节点数对算法性能的影响。

A priori knowledge is obtained from the steepest descent method and a non-uniform constraint is considered to impose on the solution.

同时考虑了用最速下降法计算先验解和对解施加非均一的规范约束。

Currently, the learning algorithms for training Feedforward Multilayer Neural Network can be classified into two categories: gradient descent method and layer by layer optimization method.

目前前向神经网络的学习算法主要分为两类：梯度下降算法和逐层优化算法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。