Liang Zhong-chao, Chen Shao-zhu. Proper Solutions and Limit Boundary Value Problems of Nonlinear Second-Order Systems of Differential Equations[J]. Applied Mathematics and Mechanics, 1985, 6(11): 1027-1034.
Citation:
Liang Zhong-chao, Chen Shao-zhu. Proper Solutions and Limit Boundary Value Problems of Nonlinear Second-Order Systems of Differential Equations[J]. Applied Mathematics and Mechanics, 1985, 6(11): 1027-1034.
Liang Zhong-chao, Chen Shao-zhu. Proper Solutions and Limit Boundary Value Problems of Nonlinear Second-Order Systems of Differential Equations[J]. Applied Mathematics and Mechanics, 1985, 6(11): 1027-1034.
Citation:
Liang Zhong-chao, Chen Shao-zhu. Proper Solutions and Limit Boundary Value Problems of Nonlinear Second-Order Systems of Differential Equations[J]. Applied Mathematics and Mechanics, 1985, 6(11): 1027-1034.
For the system of differential equations , where a(t)>0, r(t)>0 for t≥t0, f(x) >0 and is decreasing for x>0 g(y)>0, we give necessary and sufficient condition of the existence of a proper solution, a bounded proper solution or solutions of two kinds of boundary value problems on an infinite interval [c,∞] c≥t0. Several examples are given to illustrate the conditions of these results.