Mathematical model: Notation Decision variables xp the number of passengers that desire travel on tinerary p and then travel on itinerary r Parameters and data are, the average fare for itinerary p p. the daily unconstrained demand for itinerary p the capacity on flight le br. the recapture rate of a passenger desiring itinerary p who is offered itinerary r if flight leg i is on itinerary p 0 otherwise 2/212021 Barnhart 1.206J/16.77J/ESD. 15J2/21/2021 Barnhart 1.206J/16.77J/ESD.215J 15 Mathematical Model: Notation • Decision variables - the number of passengers that desire travel on itinerary p and then travel on itinerary r • Parameters and Data • the average fare for itinerary p • the daily unconstrained demand for itinerary p • the capacity on flight leg i • the recapture rate of a passenger desiring itinerary p who is offered itinerary r  i p i p =    1 0 if flight leg is on itinerary otherwise x p r p fare Dp CAPi bp r