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Is there a way solve network flow problem without having arc indices ? I have the below Set Branch: From_Bus To_Bus Branch_A Branch_B

Can I link the branch number with from and to buses without creating a cross set and manually entering all (From_Bus, To_Bus) in this format.

I have tried to define Branch_A in following way:

set Branch_A{Branch};

Then in constraints 1 {k in Branch} Branch_A[From_Bus[k],To_Bus[k]]

Zeyad Kassem
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1 Answers1

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I do this like

set BUS;
set BRANCH within {1..4000} cross BUS cross BUS;

and then define the parameter of the branch as

param branch_r       {BRANCH};
param branch_x       {BRANCH};

I think this way you can manually set your branch set without node-arc matrix

Mahraz
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