The number of the elementary matrices representing a matrix over a local ring are discussed, the corresponding results from a field to a local ring are extended.
讨论了局部环上的矩阵表为初等阵之积的因子个数问题，并推广了域上的相应结论。
The paper get some rank equalities of scalar-involutory matrices by elementary operation.
运用初等变换方法探讨了数量对合矩阵的若干秩等式。
In this article we apply formal matrices technique to get a equivalent proposition of Li Shanian identity, and hence give an elementary proof for Li Shanlan identity.
本文应用形式矩阵的计算技巧，得到李善兰恒等式的一个等价命题，进而给出李善兰恒等式的一个初等证明。
In this article we apply formal matrices technique to get a equivalent proposition of Li Shanian identity, and hence give an elementary proof for Li Shanlan identity.
本文应用形式矩阵的计算技巧，得到李善兰恒等式的一个等价命题，进而给出李善兰恒等式的一个初等证明。
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