Optimization_Toolbox使用问题

显示已经成功安装了Optimization_Toolbox工具箱和全局Optimization_Toolbox工具箱，但是在调用graphallshortestpaths时出现如下报错：“函数或变量 'graphallshortestpaths' 无法识别。”在命令行中输入“>> which graphallshortestpaths"显示“未找到 'graphallshortestpaths'。”

Answer 1

[Sam Chak]

Hi @蒙恩

This graphallshortestpaths command has been removed since R2022b.

[蒙恩]

感谢您的评论

Answer 2

[Sam Chak]

Hi @蒙恩

You can use the distances() function as the alternative.

W   = [.41 .99 .51 .32 .15 .45 .38 .32 .36 .29 .21];
DG  = sparse([6 1 2 2 3 4 4 5 5 6 1],[2 6 3 5 4 1 6 3 4 3 5], W);
G   = digraph(DG);
plot(G)

●

d   = distances(G)

d = 6×6

0 1.3600 0.5300 0.5700 0.2100 0.9500 1.1100 0 0.5100 0.6600 0.3200 1.0400 0.6000 0.9400 0 0.1500 0.8100 0.5300 0.4500 0.7900 0.6700 0 0.6600 0.3800 0.8100 1.1500 0.3200 0.3600 0 0.7400 0.8900 0.4100 0.2900 0.4400 0.7300 0

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Compare result with graphallshortestpaths:

https://www.mathworks.com/help//releases/R2021a/bioinfo/ref/graphallshortestpaths.html