简介:Thetraditionaluser-optimalassignmentmodelassumedthatthetrafficinformationisperfect,howerver,thelinktravelcostisAlwaysuncertainorfuzzyinrealsituations.ThepapergivesamodifiedFrank-Wolfemethodforfuzzyuser-optimalroutechoiceproblem.Theshortest-pathalgorithminF-Wissolvedbyanorderrelation(FSA)methodbetweenfuzzytravelcosts.Theresultsofasimpleexampleshowthatthemethodispractical.
简介:Letφbeanormalfunctionon[0,1]andA~1(φ)theBergmanspacewithweightφ(|z|)/(1-|z|~2).AnatomicdecompositiontheoremforA~1(φ)isobtained,andanecessaryandnearly-sufficientconditionisgiventomakeasequenceofpointsinterpolateforA~1(φ).
简介:在这篇论文,我们与工作假期和假期打断学习M/M/1队列。工作假期最近被介绍,在哪个期间服务者能仍然以更低的率在原来的进行中的工作上提供服务。同时,我们介绍一个新policy:the服务器罐头一旦系统的一些索引例如顾客的数字,在假期时期完成某个值,从假期回到正常工作水平。没有完成假期,服务者可以从假期回来。如此的政策被称为假期打断。我们连接提及的上面二条政策并且假设如果在假期时期期间在在服务结束以后的系统有顾客,服务器将回到正常工作水平,嗨伪出生和死亡过程和矩阵几何的解决方案方法称为,我们为顾客和等待的时间的数字获得分布和随机的分解结构并且提供系统的一些索引。
简介:WestudyanM/PH/1queuewithphasetypeworkingvacationandvacationinterruptionwherethevacationtimefollowsaphasetypedistribution.Theserverservesthecustomersatalowerrateinavacationperiod.Theservercomesbacktotheregularbusyperiodataservicecompletionwithoutcompletingthevacation.Suchpolicyiscalledvacationinterruption.Intermsofquasibirthanddeathprocessandmatrix-geometricsolutionmethod,weobtainthestationaryqueuelengthdistribution.Moreoverweobtaintheconditionalstochasticdecompositionstructuresofqueuelengthandwaitingtimewhentheservicetimedistributionintheregularbusyperiodisexponential.
简介:Althoughthegreyforecastingmodelhasbeensuccessfullyadoptedinvariousfieldsanddemonstratedpromisingresults,theliteraturesshowitsperformancecouldbefurtherimproved,suchasfortheDGM(1,1)model,basedonaconcavesequence,themodelingerrorwillbelarger.Inthispaper,firstlythedefinitionofsequenceconvexityisgivenout,anditisprovedthattheoutputsequenceofDGM(1,1)modelisaconvexsequence.Next,theresidualchangelawofDGM(1,1)modelbasedontheconcavesequenceisdiscussed,andthenon-equidistanceDGM(1,1)modelisproposed.Finally,byintroducingthesymmetrytransformation,aconcavesequenceistransformedintoaconvexsequence,calledthesymmetricsequenceoftheconcavesequence,andthenconstructthenon-equidistanceDGM(1,1)modelbasedontheconvexsequence.Theexampleresultsshowthatthenovelmethodismoreaccuratethanthedirectmodelingforaconcavesequence.
简介:Inthispaper,westudytheexistenceof0-1universalminimaltotaldominatingfunctionsinagraph.Weestablishaformulationoflinearinequalitiestocharacterizeuniversalminimaltotaldominatingfunctionsandshowthatforakindofgraphswhoseadjacentmatricesarebalanced,theexistenceofuniversalminimaltotaldominatingfunctionscoincideswiththatof0-1ones.Itisalsoprovedthatforgeneralgraphs,theproblemoftestingtheexistenceof0-1universalminimaltotaldominatingfunctionsisNP-hard.