本文给出用特征矩阵分解与初等行变换求A的一系列幂的简捷方法。

This paper shows some simple methods to calculate the powers of A using the characteristic matrix decomposition and the elementary row operation.

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在齐次方程组求解的过程中，初等行变换的运算过程有时显得并不简便。

In the solving process of homogeneous equation set, the operational procedure for elementary line transformation is sometimes not simple and convenient as it seems to be.

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为了实现多制式功能，提出了扫描行变换的方法，并对其关键性的技术进行了研究。

In order to realize the multi control function for the system, the scan row conversion method is adapted. Moreover, the concerned key techniques of the system are also analyzed in the paper.

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