multiplicative inverse

In modular arithmetic, the multiplicative inverse of a number modulo n is the number that yields 1 when multiplied by the original.

在模运算中，一个数模n的乘法逆元素是乘以原数后得到1的数。

The algorithm computes the multiplicative inverse of a matrix efficiently using Gaussian elimination.

该算法利用高斯消元法高效地计算矩阵的乘法逆元素。

Every non-zero rational number has a multiplicative inverse, which is its reciprocal.

每个非零有理数都有一个乘法逆元素，即其倒数。