查询词典 descent method

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。

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。

The results showed that neural network structure of tobacco aroma components was global optimized, and the neural network trained by genetic algorithm was more efficient and correct than by gradient descent method .

结果表明，使用该方法能全局优化基于烟草致香成分的神经网络结构，较之梯度下降法的神经网络的训练效率更高，得到的识别结果也更加准确。

A practical cooling regime was established then, and a network with better performances was obtained by combining simulated annealing algorithm with gradient descent method.

将模拟退火算法与传统的梯度下降法结合，用于人工神经网络的优化与预测，得到了预测效果等与迭代时间性能更好的神经网络。

Steepest descent method to achieve the minimum polynomial, the polynomial is a specific procedure.

详细说明：最速下降法实现多项式最小值，该程序多项式是特定的。

A VOF method was developed to simulate the burst of a axisymmetric buoyancy bubble near a free surface, the formation, rise and descent of a liquid column after the burst, and the whole course of the oscillation of the free surface occurring afterwards until the free surface tends to calm.

发展了一种VOF方法，用以模拟自由面近旁单个轴对称浮力气泡的破裂、破裂后液柱的形成、上升和下降、以及随后发生的液面振荡直至自由面趋于静止的全过程。

A Si-HA coating was prepared on titanium by a biomimetic method. The surface of the Si-HA coating was porous, and there was coralloid gibbosity on the surface. Si concentration was descent in Si-HA coating from outside to inside. When the Si content increased, the coating became denser and thinner.

钛表面仿生制备的Si-HA涂层表面多孔，有珊瑚状凸起，涂层中的硅由内向外呈梯度分布；随着涂层平均含硅量增加，表面逐渐致密，涂层厚度减小。

On the basis of variation characteristics of ship speed error model, a ship speed regulator using the on-line adaptive error model is proposed in this paper. The control scheme is based on back propagation multi-layer perceptrons adaptive neural network in which a modified hyperbolic tangent function is used as the activation function of an auto-tuning neuron and is updated by the steepest descent method.

在分析船舶航速误差模型变化特性的基础上，应用激励函数的自适应神经网络和最陡下降法的非线性优化技术，提出了自适应学习误差模型控制方法，应用于船舶柴油机调速器控制系统。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"