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导函数

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Let be twice differentiable on the open interval. Then

如果函数在上连续,在内具有一阶和二阶导数,那么

Let be a function whose st derivative exists for each in an open interval containing.

如果函数在含有的某个开区间内具有直到阶导数,则对任意,有

Based on the analysis and summary of basic ideas and methods,this thesis proposes two new estimation of error of higher order approximation.

方法二是在等距分布的条件下,基于三次样条插值函数的三弯距算法,通过利用节点处弯距的加权和近似计算区间中点处的二阶导数。

Theorem(Stokes's Theorem) Let be a piecewise smooth oriented curve in three-space, be a piecewise smooth oriented surface with boundary curve .The surface and the curve are related by a right-hand relationship, i.e., if the fingers of the right hand are cupped in the direction of ,then the thumbpoints in the direction of orientation of .,, have continuous first partial derivatives on and ,then

定理 设为分段光滑的空间有向闭曲线,是以为边界的分片光滑的有向曲面,的正向与的侧符合右手规则(即如果右手大拇指表示曲面的方向,则弯曲四指表示曲线的方向),函数,,在曲面上具有一阶连续偏导数,则有下述公式成立

By means of estimates for three-dimensional discrete derivative Green's function , the theory of the interpolation operator of projection type and the technique of cancellation of elements, for several usual elements in the three-dimensional setting, including rectangular parallelepiped elements, tetrahedr.

借助三维离散导数Green函数的估计,投影型插值算子理论和单元合并技术,本文详细讨论了几种常用三维单元(包括长方体元,四面体元和三棱柱元)的有限元解梯度的最大模超逼近,均获得了高精度的超逼近结果。

Also this paper demonstrates that numerical method could calculate partial derivative of complex function to linearize adjustment model.

同时表明,采用数值方法可计算复杂函数的偏导数,以满足线性化平差模型的需要

To simplify the process of calculating Boolean difference and partial derivation of Reed-Muller type logic function, a new method based on tabular was proposed.

为了简化Reed-Muller型逻辑函数的布尔差分与布尔偏导数的计算过程,提出了一种基于表格的新方法。

In the monograph,the parameters of C-D production function improved by Jan Tinbergen are determined according to the observation in Eviews and the primary parameters economic analysis is presented by partial differentiation,an application of C-D producti...

对詹恩·丁伯根改进的C-D生产函数的Eviews确定进行了研究,并对其主要参数作偏导数分析基础上的经济评析。

Mathematically, the MPPs are given by the partial derivatives of the production function.

数学上,这些边际产量是生产函数的偏导数

Nextly, the definition of Perron integral and Denjoy integral for fuzzy-number-valued functions in the plane are given, and by using them, we discuss the characterization theorems of the primitive functions for fuzzy Henstock integral in the sense of the special derivate bases.

其次,定义了平面上的模糊Perron积分及模糊Denjoy积分,并利用这两种积分对平面上两种特殊形式的导数基意义下的模糊Henstock积分原函数进行了刻划。

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推荐网络例句

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。