What is the exact definition of undirected graph, directed graph ...
A unidirectional graph is another name for an undirected graph. A bidirectional graph is a directed graph obtained from an undirected graph by replacing each edge $\ {x,y\}$ by a pair of edges …
algorithms - Find the Simple Cycles in a Directed Graph
You may be interested in the algorithm presented in this paper: . Donald B. Johnson. SIAM J. COMPUT. Vol. 4, No. 1, March 1975 An algorithm is presented which finds all the elementary …
data structures - What is the difference between directed graph …
Dec 4, 2020 · Is the graph above bidirectional? The image in wikipedia confused me a lot, before I heard about something called as bidirectional graph, I would say the above one a directed …
What do we do instead of DFS on directed graphs?
Jan 14, 2018 · All the example of DFS I've seen so far are for undirected graph. In a directed graph the basic DFS algorithm won't work because some vertex will be unreachable. The …
Converting a digraph to an undirected graph in a reversible way
Jan 15, 2014 · I am looking for an algorithm to convert a digraph (directed graph) to an undirected graph in a reversible way, ie the digraph should be reconstructable if we are given the …
How to make a directed graph in python? - Computer Science …
Jan 4, 2021 · This looks like a . For a Python graph library, you can have a look at networkx. There are other libraries too, like igraph and graph-tool. There are many resources for creating …
terminology - How do we define a tree in a directed graph?
A quick search pulled up which has this diagram showing an example of directed steiner tree: While not explicitly defined, it coincides with my intuition of what a default directed tree should …
Is Directed Graph a Graph? - Computer Science Stack Exchange
yes, directed graph is a graph. Actually there can be various kinds of classifications like: undirected graph and directed graph. Other could be simple graph, multi-graph, hyper-graph. …
How to remove cycles from a directed graph by edge contraction?
Dec 16, 2019 · 1 We have cyclic directed graph (possibly disconnected). For cycles consisting of two vertices A->B and B->A, we replace them by a single vertex. In case of A->B, B->C, C->A …
algorithms - Why there is no definition of cut vertices or …
May 29, 2024 · It seems that people barely talk about cut vertex in directed graph, is it because this definition of cut vertex in directed graph is useless for practical usage and research …