微分的

Up to now, the package can not be replaced by any other math tool in solving special differential equations, such as Abel equation in many application fields.

它是诸多应用领域内处理Abel型等特殊类型微分方程的十分有效的计算工具。

In addition to calculus with linear algebra, I had two semesters of mathematical analysis, partial differential equations, abstract algebra was also a senior this semester in the measurement theory.

除了微积分跟线性代数，我还上了两个学期的数学分析，偏微分方程，抽象代数还有在大四这个学期上的测量理论。

Then the relationship between the wavelet shrinkage and diffusion equation is studied. A t last stationary wavelet transform has been used to derive an affine invariant function.

同时从小波阈值函数与散度函数的关系入手进行研究，说明了小波分析与偏微分方程之间的联系。

In this paper, we investigate the problem of the existence of transcendental meromorphic solutions of a type of algebraic differential equation and obtain a result.

讨论了一类代数微分方程的超越亚纯解的存在性问题，得到了一个结果。

The traditional method is to transfer the differential equation into the algebraic equation via orthogonal function. This paper adopts the advantage of Slant function including:(1) The characteristic that Slant operational matrix of integration changes fast can simplify the question.

传统的特性技巧是透过正交函将微分方程式转换为一个代方程式，本文采用其优点有：(1)用Slant 积分运算矩阵快速转换的特性可以简化问题。

The content of thisresearch is as follows: According to the theories of differential geometry and gear meshin

主要研究内容如下：依据微分几何和齿轮啮合原理，用运动学法建立了理想状况下一次包络和二次包络 TI 蜗杆传动的啮合理论体系。

In addition, we present the differential conductance as a function of the chemical potential of the input terminal at various temperatures.

我们也给出了微分电导率在不同温度下随输入端费米能级的变化关系。

Secondly, the governing differential equations of free vibration of non-uniform Timoshenko curved beams was derived.

第二，推导了变截面Timoshenko曲梁自由振动的微分控制方程。

First,using cubic spline function to describe the geologic model in detail,then using fermat's principle to introduce deferential form for a set of raypath equations.

首先利用三次样条函数详细描述地质模型，根据费马原理导出微分形式的射线路径方程组。

Considering lower-order modes and fifth-order Taylor series expanded on the electrostatic force, the static pull-in position and voltage in closed forms are obtained; furthermore, the dynamic pull-in voltage are also found based on the analysis on the P.D.

应用Galerkin method 在偏微分方程式使之成为离散之系统，并利用低阶mode与Taylor五阶展开近似静电力去解之，进而可获得静态崩溃电压的位置和封闭式方程式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。