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[
matlab
]
DIJKSTRA
DL : 0
最 短 路 dijkstra 算 法 mex 程 序,图论中的最短路径!-Dijkstra shortest path algorithm mex procedures, graph theory of the shortest path!
Update
: 2025-02-17
Size
: 1kb
Publisher
:
对话框
[
source in ebook
]
Floyd-Warshall-c-chengxi
DL : 0
Floyd-Warshall算法描述 1)适用范围: a)APSP(All Pairs Shortest Paths) b)稠密图效果最佳 c)边权可正可负 2)算法描述: a)初始化:dis[u,v]=w[u,v] b)For k:=1 to n For i:=1 to n For j:=1 to n If dis[i,j]>dis[i,k]+dis[k,j] Then Dis[I,j]:=dis[I,k]+dis[k,j] c)算法结束:dis即为所有点对的最短路径矩阵 3)算法小结:此算法简单有效,由于三重循环结构紧凑,对于稠密图,效率要高于执行|V|次Dijkstra算法。时间复杂度O(n^3)。 考虑下列变形:如(I,j)∈E则dis[I,j]初始为1,else初始为0,这样的Floyd算法最后的最短路径矩阵即成为一个判断I,j是否有通路的矩阵。更简单的,我们可以把dis设成boolean类型,则每次可以用“dis[I,j]:=dis[I,j]or(dis[I,k]and dis[k,j])”来代替算法描述中的蓝色部分,可以更直观地得到I,j的连通情况。 -err
Update
: 2025-02-17
Size
: 3kb
Publisher
:
江晨
[
GPS develop
]
Dijkstra_src
DL : 0
matlab常用源码,里面存放了很多路由经典的算法-matlab common source, which kept a lot of classical routing algorithm
Update
: 2025-02-17
Size
: 47kb
Publisher
:
lww
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