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对于矩阵A存在零特征值或对称特征值的情形本文研究Lyapunov矩阵方程的可解性,给出矩阵C的结构,进而讨论了在稳定性理论中的应用,参11。
For the existence of zero eigenvalues or symmetric eigenvalues of the matrix A, this paper studies the solvability of the Lyapunov matrix equation, gives the structure of the matrix C, and then discusses the application in stability theory.