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Array indices must be positive integers or logical values.

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Baihui Liao
Baihui Liao on 21 May 2021
Commented: Baihui Liao on 21 May 2021
Background: Write the function SPP of the shortest path problem from starting point 1 to end point n, based on Dijkstra's idea of shortest path
n: the number of nodes, the node number is 1,2... ,n
t is the matrix where t(I,j) represents the distance from node I to the directly connected edges of node j. If there is no directly connected edge from I to j, then T of I,j is equal to Inf of infinity.
and when I write:
f(i)=min{f(j)+tij};
It shows an error: "Array indices must be positive integers or logical values."

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