2020欧洲杯时间表

Questions tagged [graph]

This "graph" tag refers to a graphic (such as a chart or diagram) which displays the relationship between two or more variables. For the discrete mathematics structure consisting of vertices and edges, use the "graph-theory" tag.

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Preflow-Push Algorithm / Goldberg Tarjan ends in endless loop

i am trying to implement the Goldberg-Tarjan Algorithm, also known as Preflow-Push in java and am kind of stuck at the moment. For small Graphs, for example with 4 nodes, my approach works but for ...
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C# program that returns specific pentagon path

I want to create a program that will return the path for drawing a pentagon network. The graph is unweighted, undirected and with 5 vertices. Program should return specific path like this picture: [...
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how to properly setup and run Graphlab powerGraph on ubuntu

i cannot install the graph analytics tools on powerGraph because the URL/URL_MD5 on the CMakeLists.txt file doesn't match the one expected, it's mostly libevent, zookeeper and libbz that can't be ...
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Is there any easy algorithm to do edge coloring on a complete graph

For a given complete graph $G$ having $n$ nodes, how can we build a edge coloring of $G$ with $n$ colors.
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Pygal library labeling problem with each bar

I am trying to create a pygal bar chart with this code. I want each label below each bar so that it can easily be understood.. But all the bars are stacked left side and labels are evenly distributed....
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19 views

Highcharts : remove custom legend tooltip from export

Here is the code legend: { width: 500, itemWidth: 250, layout: 'horizontal', backgroundColor: '#FFFFFF', align: 'left', alignColumns:false, ...
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1answer
19 views

how to generate a Http Request for AAD?

so, I get the Access Token and I want to create a request... HttpClient httpClient = new HttpClient(); httpClient.DefaultRequestHeaders.Authorization = new ...
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1answer
13 views

How to ingest data effectively in Neo4j

I am looking for advice on the best way to handle data going into Neo4j. I have a set of structured data, CSV format which relates to journeys. The data is: "JourneyID" - unique ref#/ Primary ...
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6 views

How to find polygons efficientlyin a given set of points and edges?

Is there any an efficient way to find all basic polygon by given a set of points and edges. like the picture below show, I should get : 1-2-5-4, 2-3-5-6, 4-5-8-7, 5-6-9-8, 3-10-6, 6-10-9, 3-11-12-9-...
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solution needed in java [closed]

Gary has a board of size NxM. Each cell in the board is a coloured dot. There exist only 26 colours denoted by uppercase Latin characters (i.e. A,B,...,Z). Now Gary is getting bore and wants to play a ...
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Create the following graph implementing the following functions [closed]

Create the following graph. Implement the following functions using C++ and Data structure. 1. addEdge() that takes two vertices as two parameters and creates an Edge between them. 2. ...
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45 views

Using GraphServiceClient to retrieve group info of Azure Ad members

i want to retrieve all members of a Azure Ad group within my backend application. I followed the steps here and here and here is my code: But I always get this error when using the method: ...
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Graph classification given node-level outputs using global pooling in pytorch

I have node-level outputs for a graph classification task (using Graph neural nets). Based on this article on GCN, it seems like I have to introduce a pooling layer to transform my outputs into graph-...
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1answer
20 views

Longest path in ordered graph pseudocode

I try to create an algorithm to find the longest path in an ordered graph. The properties of the ordered graph are: Each edge goes from a node with lower index to a node with a higher index. That is, ...
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18 views

Algorithm to calculate shortest path when updating the heaviest edge in a path

For a given graph G=(V,E) and path p= v1->v2->...->vk w*(p) represents the weight of the path between v1 and vk excluding max_edge. For a given vertex s in V I would like to find an algorithm that ...

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