Tagged Questions
1
vote
0answers
34 views
Unexpected error message from GraphPlot evaluation [closed]
(Running MMA 9 on Mac OSX 10.8.3, MacBook Pro, 16GB RAM)
I am trying to display a graph with GraphPlot. I want a few of the edges to be purple, and the rest red. I figured out a way to do this that I ...
10
votes
2answers
232 views
Proper way to add vertices to an adjacency matrix
I'm looking for a robust way to add vertices to a graph by modifying its AdjacencyMatrix.
Here's what I have so far:
...
2
votes
2answers
116 views
Working around behaviour of EdgeRenderingFunction
One can make graphs
GraphPlot[{1 -> 2, 2 -> 3, 3 -> 4, 4 -> 5, 5 -> 1, 1 -> 1, 5 -> 5}]
and one can generalize the input such that one ...
2
votes
2answers
120 views
Is it possible to use PropertyValue to modify properties of Graph objects in a list?
This post can be seen as a follow up to Property assignment on a graph vertex using PropertyValue does not work inside a function.
I have defined a function:
...
6
votes
1answer
102 views
Property assignment on a graph vertex using PropertyValue does not work inside a function
I created this function:
AddStone[board_Graph, v_, s : white | black | empty] :=
PropertyValue[{board, v}, VertexState] = s
This function should change the ...
4
votes
1answer
182 views
4
votes
1answer
166 views
What's the most intelligent way to store the information of a selfmade graph?
I have a very long list of element, say $a1,a2, a3$,..., and they are all connected in that each is the child of many parents. E.g. $a74$ is associated with $a2,a55,a71$, and also contains ...
