简介:Westudyaninventorysysteminwhichproductsareorderedfromoutsidetomeetdemands,andthecumulativedemandisgovernedbyaBrownianmotion.Excessivedemandisbacklogged.Wesupposethattheshortageandholdingcostsassociatedwiththeinventoryaregivenbyageneralconvexfunction.Theproductorderingfromoutsideincursalinearorderingcostandasetupfee.Thereisaconstantleadtimewhenplacinganorder.Theoptimalpolicyisestablishedsoastominimizethediscountedcostincludingtheinventorycostandorderingcost.