hypergraph | Python module for graphs and hypergraphs | Download Utils library
kandi X-RAY | hypergraph Summary
kandi X-RAY | hypergraph Summary
Hypergraph is a Python module for graphs and hypergraphs.
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Top functions reviewed by kandi - BETA
- Find the minimum spanning degree of a hypergraph
- Adds an edge to the graph
- Create a frozenset
- Return the degree of a vertex
- Return the degree of a given vertex
- Remove an edge from the graph
- Return a dot representation of a graph
- Return a networkx graph
- R Return the number of the isoperimetric number
- R Return the cut of the hypergraph
- R Return a shortest shortest path in graph
- Calculate the shortest path between two vertices
- Generate a random orientation of the hypergraph
- Test if all vertices are regular
hypergraph Key Features
hypergraph Examples and Code Snippets
Community Discussions
Trending Discussions on hypergraph
QUESTION
...i try to get frequency elements for 2D vector for example : my vector vector edge { {4, 2, 3}, {4, 5, 6}, {2, 8, 9} }; result: 4 and 2 because appears 2 time in the 2D vector i'm not familiar with c++. my code return only one element "the first frequent element but i need to return evry frequency elemnt in the 2d vector .
ANSWER
Answered 2022-Apr-10 at 16:21my code return only one element "the first frequent element but i need to return evry frequency elemnt in the 2d vector .
Every frequency element is in your occurences variable. Instead of only keeping the arg_max you can print the occurence of each value.
Also note that, because you used a map over an unordered_map you already have the results nicely sorted when you print them.
QUESTION
We often use GraphBLAS for graph processing so we need to use the incidence matrix. I haven't been able to find a way to export this from Grakn to a csv or any file. Is this possible?
...ANSWER
Answered 2021-Apr-14 at 09:09There isn't a built-in way to dump data to CSV in Grakn right now. However, we do highly encourage our community to contribute open source tooling for these kinds of tasks! Feel free to chat to use about it on our discord.
As to how it can be done, conceptually it's pretty easy:
Query to get stream all hyper-relations out:
QUESTION
I'm using the SimpleHypergraphs.jl library and trying to construct a hypergraph from a text file such as a csv.
For example, I'd like to load a hypergraph from a csv file like this:
...ANSWER
Answered 2021-May-03 at 21:56The matrix that is passed as a Hypergraph constructor should have elements of type Union{Nothing, T} where T is some numeric type (e.g. Matrix{Union{Float64,Nothing}} rather than just be a Matrix{Float64}.
In SimpleHypegraphs.jl, we use nothing (rather than 0) to represent that a vertex does not belong to a hyperedge since in many hypergraph algorithms/applications it is possible for a vertex to belong to a hyper-edge with a zero weight.
Hence you could read your file with the following code (for reproducibility I put the file content into a text variable):
QUESTION
I tried to compute a small example with the library SimpleHypergraphs. I followed the install instructions however, I have this error :
...ANSWER
Answered 2021-Feb-26 at 20:21It seems that pandas has been added to the dependencies of hypernetx and now it will not load unless pandas is available.
Restart your Julia session and run
QUESTION
I have some code:
...ANSWER
Answered 2020-May-06 at 20:16You could use something like this:
QUESTION
I am trying to analyze graphDB as an alternative to RDBMS for a problem domain. Here is the analogy of a problem I am trying to solve.
P:Michael and P:Angela r:like_to_eat G:Apple and G:Bread. G:Apple and G:Bread are r:available_in S:Walmart and S:Whole Foods. So far it's straightforward. Here is an image that I think best expresses the graph.
The problem is when I try to specify that Angela likes Apples from Whole Foods and Bread from Walmart. And Michael likes to eat Apples from Walmart and Bread from Whole Foods. How can I represent something like that in a graph? It sounds like I need the concept of a hypergraph to be able to solve this problem, but I have also heard that any hypergraph problem can be solved with property graph too. Can this be solved using standard graph solutions like Neo4j or CosmosDB? Can someone please help me with this
...ANSWER
Answered 2020-May-06 at 09:24Another alternative is to represent "Whole Foods" from "Angela likes Apples from Whole Foods" as a property of the edge "likes to eat", which becomes a real "property graph". Here is the data model:
In Nebula Graph (which is a graph database slution), you can use the following nGQL query for modelling：
QUESTION
I have a matrix like below that is a hyper graph matrix, I transformed it to the object network , but I dunno how can I transform this matrix in a hypergraph of an object of class network, can you help me? any idea?
...ANSWER
Answered 2020-Apr-18 at 10:27I guess mat is a incidence matrix, and I am not sure if you are looking for something like below if you are using network package
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Install hypergraph
You can use hypergraph like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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