In this paper, an algorithm for finding the inverse matrix of tridiagonal matrix by solving systems of linear algebraic equations is proposed.

根据三对角矩阵的特点，给出一种利用解线性方程组的方法求三对角矩阵的逆矩阵的算法。

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A fast algorithm for calculating the inverse and group inverse and MoorePenrose inverse of a resultant matrix is presented by using the fast algorithm for finding polynomials.

利用结式矩阵求逆矩阵的多项式快速算法，给出了具有结式矩阵块的分块矩阵逆矩阵的一种快速算法。

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In this paper, by the fast algorithm for computing polynomials, we give a fast algorithm for finding the inverse and reflective g-inverse and Drain inverse of resultant cyclic matrix.

引入了结式的矩阵形表示，提出了矩阵形结式的移位变换概念，并利用其得到了结式计算的一个简便方法。

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