993 questions

168

views

no

answers

no

votes

2024-08-30 13:09:19 +0200 rburing

how to get the sagemath programs related to graphs with nodes and edges

Generating prime graphs

• is_prime

How to find the graphs having exactly one perfect matching from the following collection? [closed]

How to see graph directly after plot() via virtualbox?

• graphics

Discrepancy between Graph.modular_decomposition() and Wikipedia

• graph
• modular
• decomposition

199

views

no

answers

no

votes

2015-01-19 22:19:17 +0200 MattKahle

Is there a bug with using chromatic_number together with Gurobi? [closed]

• graph-theory
• linear_programming

sage.cloud when plot a graph,mouse right button cannot copy it

• cloud
• mouse
• right_button

code for finding tail and head of an edge in a bipartite graph

• duplicate

Vector-graphic graphs of small size

• graphics
• files

epsilon basis for roots (was graph edge labels)

• rootsystem
• digraph
• Poset

right click dropdown on graph doesn't work

• image
• dropdown

How to draw a power graph of a group Z64

Memory leak in is_planar

• memory-leak
• is_planar
• graphs

coset graph

• permutation_group
• cosets
• cayleygraph

sort graph by independence number

• independence
• number

Is there a built-in function to compute all the Hamiltonian cycles in a Graph?

list of graphs whowe independence number <= 2 [closed]

• independence
• number

Is there a built-in function to compute ALL the Hamiltonian cycles in a graph?

Octave graphs and sounds in the notebook

• notebook
• graphics

155

views

no

answers

no

votes

2024-07-14 13:47:50 +0200 rewi

Does there exists any simple connected graph $G$ of order $n$, such that whenever $\dfrac{\lambda}{k}$ is an eigenvalue of the adjacency matrix of $G$

• graph-theory

I'm looking for a program in Sage which allows me to know if two seidel matrices from a graph are similar by a signed permutation matrix

How to change the label text size of vertices

• graph_theory
• 2Dplot
• fontsize

Using Seaborn Graphing in Sagemath

• 2Dplot
• seaborn

Is there any way to title a plot? Or can you display matplotlib graphs in sage?

• plot
• title
• matplotlib

Graph automorphism group and its source code

• automorphism_group
• transversal
• graphs
• coset_representative

Graph Automorphisms as Permutation Matrices

• automorphism_group
• automorphism
• graph
• permutation_group

Plot a planar graph as a plane graph

• plot
• graph

adding an edge to a graph [closed]

• undirected-graphs
• chromatic_number

A faster way to obtain orbits of a partition of the verrtex set

• graph-theory
• permutation_group
• gap

plot graphs with graph in vertices