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1TheNewsboyProblemFerryCompaniesHavewithagenciesAuthors:XiaobingLIUZhongkaiLI*DalianUniversityofTechnology2ContentsProblemFormulationWhyuseagenciesAggressiveagenciesFormulationANear-OptimalSolutionTheprobabilitydistributionofarrivalsApproximationResultAninformationsystemsolution31ProblemFormulationTheClassicalNewsboyProblemHowmanynewspapersshouldtobeboughtbeforetheactualnumberofbuyersisknown?TheExtendedNewsboyProblem(1)Objectivefunction(2)Suppliesorproducts(3)Disposeofexcessproduct(4)Multi-period…41.1WhyuseagenciesTheExtendedNewsboyProblemintheDalianwanNewHarbourServiceCompany(DNHS)inDalian,ChinaAgenciesandTicketingbusiness5DNHSLocationMarketShare6DNHS-AgenciesThecentralticketingofficeAnagencyneartherailwaystation71.2AggressiveagenciesTheProblemApril1,2008,08:30Aagencyprinted10ticketsApril2,2008,11:00AllticketssoldoutinthecentralofficeApril2,2008,12:005passengerscametothecentralofficeTherearenoavailableticketsApril2,2008,12:305werereturned,other5wereusedApril2,2008,13:30Theshipleftportwith5vacanciesTheResult…8TheAgency’sProfitandlossTotheagency:Fine=5×price×5%Gain=5×price×10%Totheferrycompany:Loss=5*price*95%91.3ProblemFormulationNi=(p-q)x’i+p(Ci-x’i)=pCi-qx’ix’iNumberofexcessticketsdistributedtoagenciesNiIncomingspNormalpriceoftheclassofticketsqCostofeachticketissuedbyanagencyCiNumberofavailabletickets102ANear-OptimalSolutionTheExpectedValueofxiNumberofpassengersarrivingatthecentralofficeARegressiveApproachtiTimeof(i+1)thtimetodistributetickets112.1TheProbabilityDistributionofarrivalsAPoissondistribution~sdunbar1/Teaching/MathematicalFinance/Lessons/Poisson/Poisson/poisson.gif122.1TheProbabilityDistributionofarrivalsxtimet0ti…t1…tIC0xNumberofpassengersarrivingatcentralofficeduringtitotItiTimeof(i+1)thtimerequiredtodistributeticketstiTimetostopsellingticketsAnReversedPoissondistributionwiththeparameter132.1TheProbabilityDistributionofarrivalstherichhistoricaldatashouldbeusedselectivelyverybadweathertheChineseSpringFestival(CSF)xtimet0ti…t1…tIC0142.2ApproximationResultbyHistoricalData152.3AnInformationSystemsolutionTransshippingFreight/PassengerBillChannelMemberCustomerServiceCheckingBookingManagementSellingSupportingLayerReturnIntranet/InternetWlanDatabaseApplicationLayerManagementandControlLayerDailyReport/AccountingVehicleSecuritySystemPDACheckerMulti-viewReportsMonthlyAccountingAnalysis/DecisionSupportingNavigationPlanningStowagePlanningFinancialReporttoShip-OwnersAccountingMarketingTicketPaperManagementTicketDistributingAgencyAccountingAdvanceMoneyManagementPaperDistributingExceptionHandlerPaperstorageAgencymanagementIDReaderOthers163ConclusionsAnextendnewsboymodelwithagencieswasformulated.Apracticalnear-optimalsolutionwasprovided.Aninformationsystemwasimplemented.Ourfollowingpapers:StowageoptimizationmethodorientedtoRo-RoshipsIntegratedresourcemanagementsystemorientedtoferrycompanies17Thankyou.Allquestionsarewelcome.
本文标题:国际会议报告英文ppt-(IAME2008)
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