显然，差分算子及其逆算子是阶乘幂多项式的方便工具。

Clearly, the difference operator or sum operator is the convenient tool for the polynomial of factorial powers.

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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。

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.

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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。

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.

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