在有限域的基本运算中，乘法逆元的计算是最费时间的运算。
Among the basic arithmetic operations over finite fields, the computation of multiplicative inverse is the most time consuming operation.
在扩展欧几里得算法的基础上提出了有限域乘法逆元的计算方法。
The algorithm is based on a modification of Euclids algorithm.
拓展欧几里德用于求逆元，在本模板中已经把类型改成了long long。
Expand Euclid for inverse element in the template has been turned into a long long type.
群：二元结合运算为闭合的数学集合，具有单位元素。集合中每一元素都有逆元素。
Mathematics a set with an associative binary operation under which the set is closed, which contains an identity element and an inverse for every element in the set.
利用严格对角占优和三对角矩阵的某些特性，推导出严格对角占优三对角矩阵逆元素的统一估计式。
The estimation on the inverse elements of strictly diagonally dominant tridiagonal matrix is established; in this estimation, the nonnegative condition of matrix elements is moved.
本文给出了严格对角占优周期三对角矩阵逆元素上界和下界的估计，改进了一些学者近期的研究结果。
In this paper, we give the estimates for the upper and lower bounds on the inverse elements of strictly diagonally dominant periodic tridiagonal matrices, and improve the latest findings.
本文给出了严格对角占优周期三对角矩阵逆元素上界和下界的估计，改进了一些学者近期的研究结果。
In this paper, we give the estimates for the upper and lower bounds on the inverse elements of strictly diagonally dominant periodic tridiagonal matrices, and improve the latest findings.
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