TIME TRADEOFF TRANSPORTATION PROBLEMS in CASE CHANGE ofCOSTS in CERTAIN INTERVALS

Abstract

Objective function has constant cofficient in rnost of transport ation problems. Ho,vever in probleıns which comes to face in real life� costs can not be constant. Also, it is fact that, in transportation problems tiıne is im portant [2] In this paper, \Ve propose a solution \Vith time-tradeoff in case change of costs in certain intervals. ınaking transportation probleıns as a multiobjective transportation probleın by order relation s.