1) first order ordinary differential equation
一阶常微分方程
1.
The solution of first order ordinary differential equation with the integral factor of a product form
一阶常微分方程具有一种乘积形式积分因子的求解
2.
Existence and application of two integrating factors on first order ordinary differential equation
探讨一阶常微分方程两种积分因子的存在性及其应用
3.
Essentially,the opposite reaction kinetics process is a process of resolving the first order ordinary differential equation.
对峙反应动力学过程,其实质是一个求解一阶常微分方程的过程。
2) first-order ordinary differential equation system
一阶常微分方程组
1.
Effective solution method for the first-order ordinary differential equation system;
一阶常微分方程组的一个有效解法
3) linear ordinary differential equation of the first order
一阶线性常微分方程
1.
Through preliminary analysis, thorough study and elaborate deduction, the author elucidated the necessity of replacing constant C with function c(x) in solving linear ordinary differential equation of the first order.
文章通过初步说明、深入研究、精确推导三个层次 ,说明了一阶线性常微分方程的常数变易法中把任意常数 C变易成函数 u( x)的内在必然
4) non-continuous ordinary differential equation of the first order
一阶非连续常微分方程
1.
Solving process of monotonic iteration to the initial value question of non-continuous ordinary differential equation of the first order is discussed, the known results are generalized.
讨论一阶非连续常微分方程初值问题的单调迭代求解,推广了已知结果。
5) second-order ordinary differential equation
二阶常微分方程
1.
Second-order ordinary differential equations arise in a wide variety of scientific and engi-neering applications, including celestial mechanics, theoretical physics and chemistry, electronicsand semi-discretisation of partial differential equation.
二阶常微分方程在天体力学、理论物理与化学、电子学以及偏微分方程的半离散等领域具有广泛的应用。
2.
This paper deals with numerical methods for the second-order ordinary differential equations y″(x)=f(x,y) and their numerical stability property.
主要研究二阶常微分方程初值问题y″(x)=f(x,y)的数值方法及其数值稳定性。