基本释义:

可行下降方向

网络释义

1)feasible descending direction,可行下降方向

2)feasible descent methods,可行下降方法

3)descent direction,下降方向

4)decrease direction cone,下降方向锥

5)downward direction,下坡[降]方向

6)feasible direction,可行方向

用法和例句

In this paper, we consider more information of simplex tableau in solving linear programming problems and the information of feasible descending direction of function value.

给出了从单纯形矩阵得到的LP有唯一最优解,无穷多最优解的信息,目标函数值的可行下降方向的信息。

An Algorithm for Finding Global Minimun with Descent Direction;

带下降方向搜索的总极值方法

For a given value of the parameter, the method searches for an optimum point of the approximate function in a descent direction.

该方法对给定的参数在下降方向寻找逼近函数的最优点 。

In this paper, the author applies affine reduced operation to the model based secant method and gives a new method to look for the descent direction for solving unconstrained minimization problem.

把仿射约化变换应用于基于模型的割线法中，给出了一种新的求解无约束极小化问题的下降方向算法。

Secondly,a conclusion of decrease direction cone is also proved.

文章先是证明了一个函数的凸性,然后提出了下降方向锥的一个凸性和一种新的表达形式,并且用了新的方法去证明。

Linear feasible direction algorithm for calculation of reliability index of structure;

求解结构可靠指标的线性可行方向算法

The principle of incorporating relations between parameters and objectives to finding the infeasible directions of searched points in global optimization is studied.

本文研究了在全局优化中利用参数和目标的关系以得到搜索点的不可行方向 ,由此可有效的引导优化算法在有希望的空间中开发 ,并加速演化进程 。

However,the feasible direction strategy for selecting working set may degrade the performance of the kernel cache maintained in standard SMO.

针对标准序贯最小优化(sequential minimal optimization,SMO)算法采用可行方向工作集选择策略所带来的缓存命中率低下问题,给出了SMO类型算法每次迭代所带来的目标函数下降量的二阶表达式,并据此提出了一种改进的工作集选择策略。

A Derivative-free Algorithm Based on Approximate Descent Direction;

一个基于近似下降方向的免梯度算法

Search Direction of Descent Direction in Model-Based Affine Reduced Secant Method

基于模型的仿射约化割线法中下降方向的求解方法

The land falls off here towards the river.

这里的地势朝河的方向陡降下去。

A downward movement.

下降，落下向下的运动

Bottom-up parsing implementation with recursive descendent method

用递归下降方法实现自底向上的语法分析

The surface projection of the appendix root draws down gradually following the descent of caecum.

阑尾根部的体表投影随盲肠下降而逐渐向下方移位。

The sun was-ging towards the horizon.

太阳向地平线下降。

critical rate of fall of commutating current

换向电流临界下降率

Share prices have been trending down.

股票价格一直趋向下降。

A sudden drop from a relatively erect to a less erect position.

突然俯身低下从垂直方向上相对高的位置降到低的位置

Enthusiasm is a spiral, turning inward or outward, rising or falling.

热忱就像一个螺旋，它会向内转或向外转，也会上升或下降，使你的热忱循着正确的方向发展。

Plunging movement, esp a steep fall

（向前或向下的）冲，投，落；（尤指）骤降，猛跌

They sediment toward the bottom of the centrifuge tube at a velocity.

它们以某一速度向管底方向沉降。

Lower inlet style means the dusty flow inlet is situated on the lower part of the bag-house,and the direction of flow is opposite to that of dust precipitastion.

下进风是指含尘气体流入口位于袋室下部，气流与粉尘沉降方向相反。

We take the downward direction as positive.

我取向下的方向为正。

We're ging to begin the descent for Fuji Mountain.

我们准备开始向富士山下降了。

The lift went downward from the sixth to the first floor.

电梯从七楼向下降到二楼。

We are going to begin the descent for Honolulu .

我们准备开始向檀香山下降了。