<pre style="overflow:auto;line-height:1.5;font-family:Inconsolata,Monaco,Consolas,monospace;background-color:rgb(255,255,255);"><span class="c" style="font-style:italic;"><span style="font-size:12px;"><h1 style="font-family:'Roboto Slab','ff-tisa-web-pro',Georgia,Arial,sans-serif;color:rgb(64,64,64);background-color:rgb(252,252,252);"><span style="font-size:14px;font-weight:normal;">要绘制一个动态网络,到处找资料,收集相关的networkx绘图资料,计算路径的代码如下:<h1 style="font-family:'Roboto Slab',252);">NetworkX Examples—<span style="font-family:Inconsolata,monospace;line-height:1.5;background-color:rgb(255,255);">BASIC——properties
<code class="language-python">#!/usr/bin/env python原文链接:https://www.f2er.com/python/59434.html
"""
Compute some network properties for the lollipop graph.
"""Copyright (C) 2004 by
Aric Hagberg @H_403_10@
Dan Schult dschult@colgate.edu
Pieter Swart swart@lanl.gov
All rights reserved.
BSD license.
from networkx import *
G = lollipop_graph(4,6)
pathlengths=[]单源最短路径算法求出节点v到图G每个节点的最短路径,存入pathlengths
print("source vertex {target:length,}")
for v in G.nodes():
spl=single_source_shortest_path_length(G,v)
print('%s %s' % (v,spl))
for p in spl.values():
pathlengths.append(p)取出每条路径,计算平均值。
print('')print("average shortest path length %s" % (sum(pathlengths)/len(pathlengths)))
路径长度直方图,如果路径不存在,设为1,如果已经存在过一次,则原先基础上加1
histogram of path lengths
dist={}
for p in pathlengths:
if p in dist:
dist[p]+=1
else:
dist[p]=1print('')
print("length #paths")
verts=dist.keys()
for d in sorted(verts):
print('%s %d' % (d,dist[d]))内嵌函数求图G的多个属性
print("radius: %d" % radius(G))
print("diameter: %d" % diameter(G))
print("eccentricity: %s" % eccentricity(G))
print("center: %s" % center(G))
print("periphery: %s" % periphery(G))
print("density: %s" % density(G))