graph-theory

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Hash tables in graph theory

I am reading an article on Hash tables. Here is the text snippet. A hash table is useful for any graph theory problem where the nodes[详细]

2023-04-04 21:54 分类：问答
Edge classification in a DFS

According to the book (Intro to Algorithm), in dfs, edges are classified as 4 kinds: Tree Edge, if in edge (u,v), v is first discovered, then (u, v) is[详细]

2023-04-04 06:10 分类：问答
Unit Testing Approximation Algorithms

I\'m working on an open-source approximation algorithms library for graphs and networks using some popular python packages as a base. The main goal is to encompass up-to-date approximation algorithms[详细]

2023-04-04 03:08 分类：问答
Expanding a tree-like data structure

I am attempting to use Python to alter some text strings using the re module (i.e., re.sub). However, I think that my question is applicable to other languages that have regex implementations.[详细]

2023-04-03 19:51 分类：问答
Pruning large graphs of stray nodes

I have a graph consisting of about 35,000 nodes represented in plain text: node1 -> node35000 node29420 -> node35000[详细]

2023-04-03 10:52 分类：问答
Executing a graph of scripts

I have some (SQL) scripts. Most of them have some requirements: other scripts that should be run before.[详细]

2023-04-03 01:38 分类：问答
How to find the least cost to visit every vertex in an undirected, weighted graph at least once starting from a predetermined vertex?

The path tak开发者_StackOverflow社区en does not have to end back at the predetermined vertex. Basically, the traveling salesman problem except that a vertex can be visited more than one time.[详细]

2023-04-01 22:28 分类：问答
how to find Connected Component dynamically

Using disjoint-set data structure can easily get connected component of Graph. And, it just supports Incremental Connected Components.[详细]

2023-04-01 12:01 分类：问答
How do the iterators V and E in igraph using R work?

I\'ve looked through the source for V and E and I\'m not really sure how they work. Here\'s the code for V:[详细]

2023-03-31 00:59 分类：问答
In js, I'm looking for a force directed graph with draggable nodes - click on nodes to open new page

I am trying to find some example code using a javascript library for a force directed graph in which the user can move any node around (and the graph responds dynamically) - but then each node can be[详细]

2023-03-29 13:42 分类：问答