负图

本文给出了非负权图的最大二等分问题的一种近似算法，并从理论上证明了这种算法是0.488近似算法。

A 0.488 approximate algorithm is presented in this paper for the max-bisection problem with nonnegative edge weights .

在多视图情况下，提出了多视图的非负稀疏图构建算法MVNSR-graph，算法的主要思想是通过学习一个多视图联合的表示矩阵来尽可能的利用到多个视图所包含的数据结构信息。

The main idea of the proposed algorithm is to formulate a joint multi-view non-negative sparse representation problem to integrate the information across multiple views as much as possible .

计算机仿真实验和实验室模拟试验表明，不同局部放电类型的脉冲在时频负熵谱图中形成不同的聚类。

Simulation tests and laboratory simulation experiments show that different types of partial discharge pulse can form clusters in the time-frequency spectrum .

将非负矩阵分解与图分割结合起来。

We combine the NMF method and graph cut theory .

给出了用本仪器测得的二氯二乙硫醚的负离子信号谱图。

The negative ion spectrum of dichlormethyl ether obtained by this prototype instrument is presented .