Example 1 of Variable Elimination
{"Image DocumentName": "Example 1 of Variable Elimination", "Image ImageDescription": "XD(a,i,r,t) = # of type a aircraft direct delivering cargo for customer i on route r departing at time t. Allow variable to exist only if. Route r is a direct delivery route from customer i \u2019s origin to i \u2019s destination. Aircraft type a is available at i \u2019s origin at t. Aircraft type a can fly route r \u2019s critical leg. Aircraft type a can carry some cargo type that customer i demands. Time t is not before i \u2019s available-to-load time. Time t is not after i \u2019s required delivery date + maxlate \u2013 travel time.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}