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- 5 years ago
- Forum: Syntax
- Topic: swapping indices in a variable
- Replies: 1
- Views: 1890
swapping indices in a variable
hello everyone, I have the following lines in my model: set i/1*400/; alias(i,j); binary variable x(i,j,k); con(i,k)..sum((j)$(ord(j) ne ord(i)),x(i,j,k))=E= sum((j)$(ord(j) ne ord(i)), x(j,i,k) ) ; as you can see, I reversed the order of (i)&(j) in the variable x(i,j,k) to become x(j,i,k). for ...