设计一个因子分解算法，并分析其复杂性。
Design a factorization algorithm and analysis of their complexity.
本文改进了这种直接因子分解算法，使它的输入、输出均以正常位序排列。
In this paper, a variation on the direct factor decomposition algorithms is given so that the input, output are arranged in the normal order.
目的：研究非负矩阵因子分解算法(NMF)用于手性药物HPLC - DAD二维数据解析的可行性及其影响因素。
Aim: to study the feasibility and influential factors for the resolution of HPLC-DAD data of chiral drugs by non-negative matrix factorization (NMF) algorithm.
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