semi invariant exterior derivative

Integral formula in connection with covariant exterior differential and its application in physics;

与协变外微分有关的积分公式及其在物理学中的应用

Studies a kind of simple nonholonomic and nonautonomous system using a two-parameter Lie group of transfor ations,with the introduction of the method of differential invariants and canonical coordinates.

利用双参数李变换群，引进微分不变量、正则坐标的方法，对这类简单的非完整非自治系统的运动方程给以完全积分。

The first original segmentation is made by differential invariant, and the range image is divided into many regions with region increase method.

该文提出一种对深度图进行自动分割的方法,基于微分不变量进行初始分割,得到初始的核区域,用区域增长法进行曲面片增长,将深度图分割成多个区域。

Differential invariants and group classification of variable coefficient generalized Gardner equation

变系数广义Gardner方程的微分不变量及群分类

Invariant Solution of Sixth-Order Linear Differential Equation with Varied Coefficient;

六阶变系数线性微分方程的不变量解法

differential equation with separable variables

可分离变量微分方程

These quantities are not perfect differential.

这些量不是全微分。

Study on the Measuring Errors of Microprocessor-Base Electrical Quantity Transducer;

微机电量变送器测量误差分析与研究

Some problems of quantum mechanics can be solved easily by means of the invariant of differential equation.

利用常微分方程的不变式，非常方便地求解了一些量子力学问题.

Determination of Mn,Cu,Fe,Zn in Different Parts of Impatiens Balsamina Induced by Spaceflight;

航天诱变凤仙花不同部分锰铜铁锌微量元素的测定

The Application of Total Differential on the Variable Transformation of the Partial Differential Equation;

全微分在偏微分方程变量替换中的应用

CONTROLLED INVARIANT DISTRIBUTIONS FOR A CLASS OF NONLINEAR DIFFERENTIAL-ALGEBRAIC SYSTEMS AND THEIR INVARIANT PROPERTIES

一类微分代数系统的受控不变分布及其不变性

a differential equation involving a functions of more than one variable.

含有超过一个变量的函数的微分方程。

Lagrangization and Solution of Differential Equations by Introducing Supplementary Variables;

微分方程借助辅助变量的Lagrange化与求解

Hamiltonization and solution of differential equations by introducing supplementary variables;

微分方程借助辅助变量的Hamilton化与求解

The Application of the Invariance of Total Differential Forms in the Differential Calculus for Function of Several Variables;

一阶全微分形式不变性在多元微分学中的应用

The Application of the Invariance of First Order Differential Forms in the Differential Calculus for Function of One Variable;

一阶微分的形式不变性在一元微分学中的应用

Analyze Messiaen s Petites esquisses d oiseaux With Variable and Invariant;

《鸟儿的小小素描》之不变量与变量分析

Application of Variable Transformation Method for First-Order Ordinary Differential Equation

变量变换在解一阶常微分方程中的应用

The branch of mathematics that deals with limits and the differentiation and integration of functions of one or more variables.

微积分学数学的一个分支，处理单变量或多变量函数的极限、微分以及积分问题

Equivalence of Differential System with Reflecting Function is Separated of Variable;

具有分离变量式反射函数的微分系统的等价性