广东石油化工学院学报
廣東石油化工學院學報
엄동석유화공학원학보
JOURNAL OF MAOMING COLLEGE
2013年
1期
55-57
,共3页
函数方程%非线性%变系数%振动准则
函數方程%非線性%變繫數%振動準則
함수방정%비선성%변계수%진동준칙
functional equations%nonlinear%variable coefficient%oscillation criteria
s:主要研究非线性时滞高阶函数方程 x(t-τ)= P(t)x(t)+∑m i=1 Qi (t)∏j=1|x(t-(kj + i)τ)|aj signx(t-(kj+ i)τ)的解的振动性,利用迭代法,得到该方程解振动的若干个充分条件.
s:主要研究非線性時滯高階函數方程 x(t-τ)= P(t)x(t)+∑m i=1 Qi (t)∏j=1|x(t-(kj + i)τ)|aj signx(t-(kj+ i)τ)的解的振動性,利用迭代法,得到該方程解振動的若榦箇充分條件.
s:주요연구비선성시체고계함수방정 x(t-τ)= P(t)x(t)+∑m i=1 Qi (t)∏j=1|x(t-(kj + i)τ)|aj signx(t-(kj+ i)τ)적해적진동성,이용질대법,득도해방정해진동적약간개충분조건.
In this paper ,we study oscillation of nonlinear delay functional equation of higher order with variable coefficient of the from x(t-τ)= P(t)x(t)+ ∑m i=1 s Qi (t)∏j=1|x(t-(kj + i)τ)|aj signx(t-(kj + i)τ)sign .Some sufficient conditions of the continuous arguments are obtained by the iterative method
