Hi, i found something strange in my MILP model.
I read my input from an excel file to fill my parameter.
The input looks like this:
I retrieve this from Excel by the following lines:
And eventually in AIMMS it looks like this:
What is so special about this column 7 and 8 that they are moved to the left?
What can cause the order of the column to be changed without me noticing?
Note: Also in my set DiscountLevel, the order is changed:
Best answer by gdiepenView original