V2EX network flow

Network Flow

释义 Definition

network flow网络流(图论与算法中常用的概念),指在一个有向图/网络里,把“流量”(如货物、数据、交通量)从源点传到汇点的一种分配方式,通常需要满足边容量限制流守恒(除源点与汇点外,流入=流出)。在更广义语境中也可指真实网络中的“流动”(如互联网流量、物流流量)。

发音 Pronunciation (IPA)

/netwrk flo/ (AmE), /netwk fl/ (BrE)

例句 Examples

Network flow algorithms help find the best way to send goods from a factory to stores.
网络流算法有助于找到把货物从工厂运送到各个商店的最佳方式。

In the max-flow problem, we model the system as a network flow with capacities and compute the greatest possible flow from the source to the sink.
在最大流问题中,我们把系统建模为带容量约束的网络流,并计算从源点到汇点所能达到的最大流量。

词源 Etymology

network(网络)+ flow(流动)组成的复合词:network源自“net(网)+ work(工作/结构)”,强调由节点与连接构成的结构;strong>flow来自古英语 flōwan,意为“流动”。合起来表示“在网络结构中发生的流动/流量分配”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Network Flows: Theory, Algorithms, and Applications(Ahuja, Magnanti, Orlin)
  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein;常称 CLRS)
  • Combinatorial Optimization: Polyhedra and Efficiency(Alexander Schrijver)
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