摘要
考虑微分方程:x′(t)+(p/t)x(αt)=0,t≥t_0>0,其中p∈R,α>0为常数,获得了该方程一切解振动的必要充分条件。
Some necessary and sufficient conditions for the oscillation for all solutions of the class of differential equations:x'(t) +P/tx(αt) =0,t≥t0 >0,其中p∈R,α>0 are obtained, where p∈R,α>0, is constant number.
出处
《贵州大学学报(自然科学版)》
2003年第3期266-269,共4页
Journal of Guizhou University:Natural Sciences
关键词
微分方程
振动
必要充分条件
differential equations
oscillation
necessary and sufficient condition.