1) variable substitution
变量替换法
1.
Application of "variable substitution" in higher mathematics;
高等数学中“变量替换法”应用探讨
2) method of variation replacement
变量替换法
1.
It is offered Euler differential equations depending on a parameter λ,and given the general solution formula express of them by method of variation replacement,method of variation position transformation,method of linearization,and method of reduction of order.
提出含参数λ的二阶齐次Euler微分方程,并借助变量替换法、线性化法、降阶法、交换变量位置法给出几类含参数λ的二阶齐次Euler型微分方程的求解公式,简化其求解过程。
2.
Two types of new Abel differential equation are structured by method of variation replacement, variation position transformation and compound function derivation law.
借助变量替换法、交换变量位置法及复合函数求导法则,构造出两类新的Abel型微分方程,论证它们的可积性,提供可积的判据,从而推广有关文献的结论,扩大微分方程的可积范围。
3) variable substitution
变量替换
1.
By means of variable substitution and partial integration,this paper gives the integral conditions of one kind of first- order differential equation and puts forth the expression of general solution,and gets the simplified method of seeking solutions.
借助变量替换及分部积分法，给出一类一阶常微分方程的可积充分条件，提供了通解的表达式，获得简捷的求解方法，所得结论是相应文献结果的推广。
2.
This paper points out the variable substitution method of triple integral of ellip-tical volume and examples its applications.
指出了椭球形区域上三重积分的一科变量替换方法，并说明了其应用。
3.
Two techniques of chaos synchronization, variable substitution and variable feedback, are applied to Lorenz systems.
用Ｌｏｒｅｎｚ系统对两种混沌同步方法——变量替换法和变量反馈法进行了数值研究。
4) variable replacement
变量替换
1.
This paper discusses the different mothods of progamming between a multi--usernetwork information system, involving the problems of setting of share environment,collisiontreatment,array variable replacement and data integrity.
本文叙述了网络多用户信息系统与单用户信息系统不同的程序设计方法，涉及共享环境设置和碰撞处理，数组变量替换和数据完整性等问题。
2.
In this paper,the author sums up how to choose the variable replacement.
总结了在二重积分计算中如何利用数形结合的方法恰当地选择变量替换来计算各种二重积分,从而使计算过程简化。
3.
,the active control method,global control method and variable replacement method.
以超混沌Chen系统为例研究了反同步的三种方法——主动控制法、全局控制法和变量替换法。
5) transformation of variable
变量替换
1.
Basing on a new kind of transformation of variables, several groups of integrable conditions and the corresponding first integrals are obtained.
对一类三维Lotke Volterra推广系统的通积分进行讨论 ,用基于变量替换的方法得出了该类系统的各种可积参数条件和相应的首次积分解析
6) variable replace
变量替换
1.
In this paper,the corresponding methods of proof on the problem of triple integral variable replace formula were tallied up first.
首先总结了已有的关于三重积分变量替换公式的证明方法,然后利用Gauss公式,给出了三重积分变量替换公式的一种新证法,并结合具体的实际模型将所获得的结果进行了应用。
2.
The article puts forward the concept of homogeneous differential equation Class 1 and gives the method of getting integrating factor and its solver theorem through variable replace,the conclustion of which is an expansion of relavant documents.
提出一类齐次常微分方程,经过变量替换,给出求积分因子的方法及其求解定理,所得结论是对相关文献问题的扩广。
补充资料：变量与变量值
可变的数量标志和所有的统计指标称作变量。变量的数值表现称作
变量值，即标志值或指标值。变量与变量值不能误用。
变量值，即标志值或指标值。变量与变量值不能误用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条