All Questions
5 questions
6
votes
1
answer
444
views
Add an edge to a graph to minimize the average shortest path length
This program is used to find the nodes in a grid network, between which, if an edge is added, the average shortest path length of the entire grid reduces by the most.
"Average shortest path length" ...
3
votes
1
answer
180
views
Shortest code to generate a full mesh of elements
I am trying to find the shortest code that generates a full mesh of the elements fed into it in graphviz format
e.g. the full mesh of [0, 1, 2] is:
2 -> 0
...
20
votes
1
answer
302
views
Rainfall - August 2016 Community Challenge (Hooray for graphs!)
A solution for the August 2016 Community Challenge (Rainfall).
I've intentionally left out error checking on the file formatting.
This seems like a very obvious graph problem to me - we want to ...
13
votes
1
answer
177
views
Create edges from cells
I have a (large) number of nodes and (triangular) cells, e.g.,
cells_nodes = [
[0, 3, 1],
[0, 2, 3]
]
This example represents the small mesh
(Please ...
5
votes
1
answer
2k
views
Strongly connected components algorithm
In my Python application, I am using Tarjan's algorithm to compute strongly connected components. Unfortunately, it shows up under profiling as one of the top functions in my application (at least ...