graph-theory

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all pairs shortest path

I am surprised why the following code that calculates all pairs shortestpairs does not show me any output.[详细]

2023-04-13 03:34 分类：问答
Alternative approaches to a Minecraft Redstone Simulator

I\'m just programming a Minecraft Redstone Simulator for Android. I\'m doing the simulation with some variations of Dijkstra, but I heard, that the real simulator does something different and updates[详细]

2023-04-12 14:40 分类：问答
Java library for graph theory algorithms

Is there a java library for standard graph theory algorithms like shortest paths etc. The algorithm that I 开发者_开发知识库am in particular looking for is finding the largest connected component in a[详细]

2023-04-12 13:35 分类：问答
Finding a pair of edge disjoint paths in a graph, such that the lengths of each one of the paths is smaller than a given constant

I know how to find a pair of disjoint paths with the minimum sum of lengths (Surballe\'s algorithm). I also have a formulation of an ILP that solves the following problem, which generalizes my problem[详细]

2023-04-12 11:51 分类：问答
Construct a minimum spanning tree covering a specific subset of the vertices

I have an undirected, positive-edge-weight graph (V,E) for which I want a minimum spanning tree covering a subset k of vertices V (the Steiner tree problem).[详细]

2023-04-11 22:43 分类：问答
Finding the shortest path in a graph between 2 nodes that goes through a subset of nodes

I\'m trying to find out an efficient way of finding the shortest path between 2 开发者_开发问答nodes in a graph with positive edge costs that goes trough a subset of nodes.[详细]

2023-04-11 20:00 分类：问答
Graph Theory - Rankings in a Tournament

Given a tournament开发者_运维问答 graph like this : How do you find out how many rankings there are systematically?[详细]

2023-04-11 15:12 分类：问答
Scheme, lists, and graph theory

I\'m trying to develop a Scheme function that will take a graph as defined: (define aGraph \'{{USA {Canada Mexico}}[详细]

2023-04-10 04:57 分类：问答
How to query from a Directed Acyclic Graph with exclusive subsets

Question in abstract terms: I have a directed acyclic graph (DAG) which contains subsets of vertices which are exclusive when queried (only one item per subset should be present in the query\'s resul[详细]

2023-04-07 00:54 分类：问答
Distance from a set of vertices in directed graph

I\'m designing an algorithm for finding the minimum distance of a given vertex v from a subset of vertices A(that is from an element of this subset).[详细]

2023-04-06 03:53 分类：问答