The other is the ACN algorithm proposed by Babu et al, which belongs to the MEP methods and uses a pipeline architecture, so it is highly modular and parallel, and requires O(M~2) operations.

• 另一算法是Babu等人提出的属于修正特征值问题的ACN算法,该算法使用流水线结构进行并行运算,每次迭代所要求的计算复杂度为O(M~2)。