查询词典 tangent

Advanced Features: Add, Subtract, Multiply, and Divide Save and Recall Memory functions Full degrees, radians, or grads calculation Percentage calculation and conversion Square Root, Sine, Cosine, Tangent Arc Sine, Arc Cosine, Arc Tangent

高级功能：添加，减，乘，除以储存和回收记忆功能全度，弧度，或毕业生计算百分比计算和转换平方根，正弦，余弦，正切圆弧正弦，余弦弧，弧切线

Key words: artificial intelligence; particle swarm optimization; inertia weight; tangent function; arc tangent function

关键 词：人工智能；粒子群算法；惯性权重；正切函数；反正切函数

PSO algorithm and the function of the inertia weight are described. Using the characteristic of the tangent function and the arc tangent function for reference, two new strategies are produced.

首先分析了PSO算法惯性权重的作用，并借鉴正切和反正切函数的变化规律，提出了两种新的惯性权重改进策略。

The cold state modelling test and theoretical analysis for arc tangent tertiary air determined the arc tangent degree of tertiary air.

对三次风反切进行冷态模化试验和理论分析，确定了三次风反切角度。

In exterior differentiation, one studies tensors, exterior algebra, tangent bundle, tangent vector fields, one-parameter groups action on a manifold, Frobenius's theorem, tensors fields, exterior differential form, integration on manifolds, Stokes's theorem etc.

外微分部分主要涉及外代数、切丛，光滑切向量场，单参数变换群，光滑张量场，外微分形式，Frobenius定理，外微分形式的积分，Stokes定理及其应用等。

Four circles of radius 1 are each tangent to two sides of a square and externally tangent to a circle of radius 2, as shown. What is the area of the square?

A 32 22+12 2 16+16 3 48 36+16 2 中文：如图所示，四个半径是 1 的圆分别与正方形的两边相切且与一个半径是 2 的圆外切，这个正方形的面积是多少？

In the first part of the paper, we construct a family of 1 parameter cubic algebraic curves interpolating four given points and two tangent lines at the endpoints, and one can manipulate the shape of cubic algebraic curves by controlling the points or the tangent line directly.

该文提出的代数曲线的结构有两种，一种是插值平面上四点及两端点切线的三次代数曲线；另一种是插值两端点、两切线及两曲率的三次代数曲线。

This invented simplified algorithm is to use sectional linear judgement method or looking-up table method to replace the hyperbolic tangent judgement. The substance is to use sectional linear judgement function L or judgement function T of looking-up table to approach the hyperbolic tangent function tanb.

为了解决这个问题，本发明的双层加权并行干扰对消算法的简化算法用分段线性判决方法或者查表法来代替双曲正切判决，其实质就是用分段线性判决函数L或者查表法的判决函数T逼近双曲正切函数tanh。

By the aid of a example, the parameters were solved with the tangent line of a circle, the intersection point of tangent and thecoordinates defined by the geometrical relationship of the image based on two propositions proposed in the paper.

借助实例，在文中建立的2个命题的基础上，通过对圆的切线、切线交点及所成像的几何关系确定的的坐标进行参数求解，得到确定模型的二维像和三维像。

This paper analyses the tangent equation of space curve and the derivation process of the curved tangent plane equation in the higher-mathematics teaching-materials, and shows another method to extract the tangent equation of space curve.

分析高等数学教材中空间曲线的切线方程和曲面的切平面方程的推导过程，给出求空间曲线的切线方程的另一种方法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。