1) the fourth order linear differential equations
四阶线性微分方程
1.
By differential operator,this paper study the method for solving a class of the fourth order linear differential equations and the stability of its solution,make the extension to results of paper[2].
本文利用微分算子研究一类四阶线性微分方程的解法及其解的稳定性,推广了文[2]的有关结果。
2) nonlinear fourth-order differential equation
非线性四阶微分方程
1.
The author studies the existence and uniqueness of solutions of two-point bouneleny value problems for nonlinear fourth-order differential equation y(4)=f(x,y,y ,y ,y ) where the function f is continuous on×R4,and satisfies the Lipschitz condition.
讨论了非线性四阶微分方程y(4)=f(x,y,y',y'',y''')的两点边值问题解的存在唯一性。
3) nonlinear fourth order differential equation
非线性四阶常微分方程
1.
In this paper,the authors use the methods in [1,2] to study the solutions of two point boundary value problems for nonlinear fourth order differential equation with the boundary conditions where functions f,g and h are continuous functions with certain monotone conditions.
利用上下解的方法[1,2],讨论了非线性四阶常微分方程(*)满 足 边 界 条 件的两点边值问题的解,其中函数均为具有某种单调性质的连续函数。
2.
In this paper,the authors use the methods in[1,2]to study the existence of solutions of two point boundary value problems for nonlinear fourth order differential equation y (4) =f(t,y,y′,y″,y)with the boundary conditions y(a)=a 0,y′(a)=a 1,g(y″(a),y(a))=0,h(y(c),y′(c),y″(c),y(c))=0,where functions f,g and h are continuous functions with certain monotone conditions.
利用上下解的方法[1,2] ,讨论了非线性四阶常微分方程y(4) = f(t,y ,y′,y″,y)( * ) 满足边界条件:y(a) = a0 ,y′( a) = a1 ,g(y″(a) ,y(a)) = 0 ,h(y(c) ,y′(c) ,y″(c) ,y(c)) = 0 的两点边值问题解的存在性,其中函数f,g ,h 均为具有某种单调性质的连续函
5) system of linear differential equations with four orders
四阶线性微分方程组
1.
This paper describes the estimates for discrete spectrum of system of linear differential equations with four orders.
考虑四阶线性微分方程组的离散谱估计 ,利用矩阵运算、分部积分和不等式估计等方法与技巧 ,得到了用前n个特征值来估计第n +1个特征值的上界的不等式 ,其估计系数与区间的几何度量无关 ,其结果在物理和力学等领域有着广泛的应
6) Fourth-Order Nonlinear Differential Equations
四阶非线性常微分方程
1.
Existence of Solutions of Periodic Boundary Value Problems for a Kind Fourth-Order Nonlinear Differential Equations;
一类四阶非线性常微分方程的周期边值问题的存在性
补充资料:二阶线性齐次微分方程
二阶线性微分方程的一般形式为
ay"+by'+cy=f(1)
其中系数abc及f是自变量x的函数或是常数。函数f称为函数的自由项。若f≡0,则方程(1)变为
ay"+by'+cy=0(2)
称为二阶线性齐次微分方程,而方程(1)称为二阶线性非齐次微分方程。
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