在定义伴随矩阵的衍生阵——陪同矩阵概念的基础上，探索陪同矩阵的性质并加以证明，同时给出应用举例。
Based on the definition of accompanying matrix which is the derivative matrix of adjoint matrix, the properties of an accompanying matrix are explored and proved.
陪同曲调单独的伴随我旅行。
The accompaniment melody has not accompanied me alone to travel.
陪同曲调单独的伴随我旅行。
The accompaniment melody has not accompanied me alone to travel.
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