导数

According to the objective of third-order derivative related to torsions, the formula to calculate the cubic optimized Hermite interpolation curves is given. And then we propose a new method to construct curves.

如果以与挠率有关的三阶导数为目标，给出优化三次Hermite曲线的计算公式，从而提出一种新的曲线构造方法。

Main achievements are as follows: Deduce the derivative of TEF for single machine infinite bus system with classic model and detailed model.

主要成果归纳如下：对经典模型和详细模型下单机无穷大系统，推导了暂态能量函数导数的表达式。

As is discussed in Section 4.2,the material derivative operator may be applied to scalars or vectors.

如同在4.2节里面讨论过的，物质导数运算符或可应用于标量或矢量之上。

Determination of Copper , Iron and Zine in Chinese Herbs by Derivative Flame Atomie Absorption Spectrom etry with Micro suspension Sam pling

微量悬浮液进样-导数火焰原子吸收法测定中草药中铜，铁，锌

Look at the range of people who make great fortunes from mafia bosses to computer science PhDs , people who sell vegetable peelers on late night television to quantitative geniuses who trade derivatives .

看看那些发了大财的人们：从黑手党头头到计算机理学博士，从在深夜电视节目里卖蔬菜去皮器的到交易导数的定量研究天才，那些几乎没有受过教育的人比拥有各种大学文凭的人做得好得多。

The characteristics of this device are of high swing,high measuring precision of balance and reliability in test data.

因此，在动态导数测量实验中主要是测量作用在模型上的气动力和气动力矩的信号，以及模型振动的位移信号。

Applied the simulation result to a profiling machine,it is proved to produce the same result in reality.

但在许多实际问题中被控对象的状态并不是可以全部获取的，故早些时候的MRACS设计方案都采用微分器来产生对象输出的各阶导数。

First introducing the basic principle and several classical distort of Newtons method.

首先介绍牛顿法的基本原理及几个经典的牛顿法变形，然后系统地对其局部收敛性质进行分析，最后拓展牛顿法所体现的基本思想，改进牛顿法，介绍了割线法，抛物线法，指数迭代法和导数迭代法。

Starting with the zenith, a series of star fields at different altitude are observed by a telescope with larger field of view, the derivatives of various orders are calculated at different zenith distances, and finally the observational atmospheric refraction can be obtained by numerical integration.

利用一台较大视场的望远镜从天顶开始，在不同高度上对星空作一系列观测，计算不同天顶距处大气折射函数的各阶导数，最后经数值积分可给出大气折射实测值。

With the gradient-based re-estimation method, comparable recognition rate is achieved to that with Baum-Welch algorithm.

由于似然概率是模型参数的复杂函数，计算似然概率时尚且要借助前向概率的迭代方法，更何况其偏导数。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。