import networkx as nx import matplotlib.pyplot as plt # 输入数据 locations = [[125.330802,125.401931,125.326444,125.332284,125.322837,125.32563,125.334942,125.378548,125.386251,125.426883,125.42665,125.437111,125.453763,125.431396,125.430705,125.41968,125.437906,125.404171,125.385772,125.341942,125.341535,125.300812,125.307316,125.345642,125.331492,125.330322,125.284474,125.334851,125.30606,125.377211,125.381077,125.417041,125.41427,125.416371,125.432283,125.401676,125.403855,125.38582,125.426733,125.291], [43.917542,43.919075,43.905821,43.90266,43.900238,43.89703,43.888187,43.904508,43.892574,43.907904,43.896354,43.894605,43.889122,43.88774,43.882928,43.887149,43.8789,43.879647,43.883112,43.873763,43.861505,43.854652,43.876513,43.850479,43.833745,43.825044,43.812019,43.803154,43.793054,43.788869,43.824152,43.816805,43.801673,43.82893,43.83235,43.843713,43.854322,43.868372,43.871792,43.8306]] num_flights = 4 flight_capacity = [10, 10, 10, 10] # 将坐标转化为图 G = nx.Graph() for i in range(len(locations[0])): G.add_node(i+1, pos=(locations[0][i], locations[1][i])) for i in range(len(locations[0])): for j in range(i+1, len(locations[0])): dist = ((locations[0][i]-locations[0][j])**2 + (locations[1][i]-locations[1][j])**2)**0.5 G.add_edge(i+1, j+1, weight=dist) # 添加起点和终点 start_node = len(locations[0])+1 end_node = len(locations[0])+2 G.add_node(start_node, pos=(0, 0)) G.add_node(end_node, pos=(0, 0)) # 添加边和边权 for i in range(len(locations[0])): G.add_edge(start_node, i+1, weight=0) G.add_edge(i+1, end_node, weight=0) for f in range(num_flights): for i in range(len(locations[0])): G.add_edge(i+1, len(locations[0])+f*len(locations[0])+i+1, weight=0) G.add_edge(len(locations[0])+f*len(locations[0])+i+1, end_node, weight=0) # 添加航班容量的限制 for f in range(num_flights): for i in range(len(locations[0])): G.add_edge(len(locations[0])+f*len(locations[0])+i+1, len(locations[0])+f*len(locations[0])+len(locations[0])+1, weight=-flight_capacity[f]) #创造路径规划模型 path_model = nx.DiGraph() for i in range(len(locations[0])): for f in range(num_flights): for j in range(len(locations[0])): if i != j: path_model.add_edge(len(locations[0])+flen(locations[0])+i+1, len(locations[0])+flen(locations[0])+j+1, weight=G[i+1][j+1]['weight']G[len(locations[0])+flen(locations[0])+i+1][len(locations[0])+f*len(locations[0])+j+1]['weight'])找出错误
时间: 2023-11-28 18:47:06 浏览: 97
在代码中,有两个地方出现了错误:
1. 在第 47 行,需要修改为 `len(locations[0])+f*len(locations[0])+len(locations[0])+1`,因为这是连接每个航班的起点和终点的边。
2. 在第 54 行,需要将代码拆分成两行,因为这是两个不同的操作。正确的代码应该是:
```
path_model.add_edge(len(locations[0])+f*len(locations[0])+i+1, len(locations[0])+f*len(locations[0])+len(locations[0])+1, weight=-flight_capacity[f])
path_model.add_edge(len(locations[0])+f*len(locations[0])+i+1, len(locations[0])+f*len(locations[0])+len(locations[0])+j+1, weight=G[i+1][j+1]['weight'])
```
这样就能够运行正确了。
相关问题
import networkx as nx import matplotlib.pyplot as plt # 创建图 G = nx.Graph()
# 添加节点
G.add_node(1)
G.add_node(2)
G.add_node(3)
# 添加边
G.add_edge(1, 2)
G.add_edge(2, 3)
G.add_edge(3, 1)
# 绘制图形
nx.draw(G, with_labels=True)
plt.show()
from copy import deepcopy import networkx as nx import matplotlib.pyplot as plt plt.rcParams['font.s
`from copy import deepcopy` 是 Python 中用于复制对象的一个重要导入语句,`deepcopy` 函数是一个深拷贝函数,它创建的是一个新的对象,新对象和原对象之间没有引用关系,即使它们的值相同,修改其中一个也不会影响到另一个。
`import networkx as nx` 引入了 NetworkX 库,这是一个用 Python 编写的开源软件包,用于处理复杂网络数据结构,比如图论中的节点、边和属性等。
`import matplotlib.pyplot as plt` 则用于导入 Matplotlib 的 pyplot 部分,Matplotlib 是一个强大的绘图库,常用于生成各种图表,包括但不限于线图、散点图、直方图等。
`plt.rcParams['font.something']` 是设置 Matplotlib 的字体相关参数,`something` 可能是具体的字体大小、风格或其他视觉样式选项,这有助于确保生成的图形符合你的设计需求。
使用这些库,你可以创建、操作和可视化复杂的网络图,并定制其显示效果。例如,你可能会创建一个图形,添加节点和边,然后使用 `plt.figure()` 创建一个新窗口展示这个网络,最后调用 `plt.show()` 显示图形。
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