Lu De-yuan, Liao Zong-huang. Instability of Solution For the Fourth Order linear Differential Equation with Varied Coefficient[J]. Applied Mathematics and Mechanics, 1993, 14(5): 455-469.
Citation:
Lu De-yuan, Liao Zong-huang. Instability of Solution For the Fourth Order linear Differential Equation with Varied Coefficient[J]. Applied Mathematics and Mechanics, 1993, 14(5): 455-469.
Lu De-yuan, Liao Zong-huang. Instability of Solution For the Fourth Order linear Differential Equation with Varied Coefficient[J]. Applied Mathematics and Mechanics, 1993, 14(5): 455-469.
Citation:
Lu De-yuan, Liao Zong-huang. Instability of Solution For the Fourth Order linear Differential Equation with Varied Coefficient[J]. Applied Mathematics and Mechanics, 1993, 14(5): 455-469.
In this paper, we give some sufficient conditions of the instability for the fourth order linear differential equation with varied coefficient, at least one of the characteristic roots of which has positive real part, by means of Liapunov's second method.