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#1
12-01-2015, 03:40 PM
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Transportation problem
This is a classic problem that has been around for hundreds of years - the good news, if it is that, is that it cannot be solved in general
However for a specific situation it can be by sheer trial and error (quite quick with a spreadsheet) You don’t say whether it is a one off problem, or whether it is daily, weekly etc Also are the sites all in a straight line? if not it makes a difference how they are laid out? That makes a big difference. Also time is (i guess) more important than miles, so how far are they apart in time? (Eg if you have full truck A to B then go by the quickest route, but if it is not full, it might be worth going via C if it is not too much of a detour Finally your container numbers do not help. Where are they now and where do you want them? Totals of each are no help. If you post them in a reply. I can find you a good solution quite quickly. It is certainly not a problem for Solver, it has been puzzling mathematicians for centuries. so I will never be able to do is prove that my solution is the best one I need something like the attachment Last edited by Graham Griggs; 12-01-2015 at 03:46 PM. Reason: cut and paste didnt work example now as attachment 
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