We show that the permanent of an m x n rectan- gular matrix can becomputed with O(n2~m + 3~m ) multiplications and additions.Asymptotically, this is better than straightfor- ward extensions ofthe best known algorithms for the permanent of a square matrix whenm/n < log_32 and n→∞.
展开▼
机译:我们证明了 m x n 矩形矩阵的常数可以用 O(n2~m + 3~m) 乘法和加法来计算.渐近地,这比当m/n < log_32和n→∞时方阵永久化的最著名算法的直接向外扩展要好。
展开▼