摘要： 6.3 点击查看代码 import numpy as np import networkx as nx import pylab as plt L=[(1,2,20),(1,5,15),(2,3,20),(2,4,60),(2,5,25),(3,4,30),(3,5,18),(4,5,35),(4, 阅读全文

摘要： （a） 点击查看代码 import matplotlib.pyplot as plt # 创建一个无向图 G = nx.Graph() # 添加节点 G.add_nodes_from([1, 2, 3, 4, 5, 6]) # 添加边 edges = [(1, 2), (1, 3), (1, 4), 阅读全文

摘要： 5.7 点击查看代码 from scipy.optimize import minimize, NonlinearConstraint import numpy as np if __name__=="__main__": fun=lambda x:np.sum(50*x+0.2*x**2)+4*( 阅读全文