简介:Howtoefficientlymeasurethedistancebetweentwobasicprobabilityassignments(BPAs)isanopenissue.Inthispaper,anewmethodtomeasurethedistancebetweentwoBPAsisproposed,basedontwoexistingmeasuresofevidencedistance.Thenewproposedmethodiscomprehensiveandgeneralized.Numericalexamplesareusedtoillustratetheeffectivenessoftheproposedmethod.
简介:让G是有最大的度的一张连接的图3。我们为色彩的数字调查上面的界限<潜水艇class=“a-plus-plus”>力量图G的<啜class=“a-plus-plus”>。它被证明那\(\chi_\gamma(G)\leqslant\Delta\tfrac{{(\Delta-1)^\gamma-1}}{{\Delta-2}}+1=:M+1\),如果并且仅当G是一张穆尔图,平等在此成立。如果G不是,一张穆尔图,和G满足下列条件之一:(1)G是非常规的,(2)尺寸g(G)21,(3)g(G)2+2,并且连接(G)3如果3,(G)4但是g(G)>6如果=2,(4)比仅仅取决于的一个给定的数字足够地大,然后(G)M1。借助于光谱半径G的毗邻矩阵的1(G),它被看那2(G)1(G)2+1,如果并且仅当G与直径2和尺寸5是一颗星或一张穆尔图,平等在哪儿成立,并且(G)1(G)+13。
简介:Theaimofthispaperistodevelopanorderedweighteddistance(OWD)measure,whichisthegeneralizationofsomewidelyuseddistancemeasures,includingthenormalizedHammingdistance,thenormalizedEuclideandistance,thenormalizedgeometricdistance,themaxdistance,themediandistanceandthemindistance,etc.Moreover,theorderedweightedaveragingoperator,thegeneralizedorderedweightedaggregationoperator,theorderedweightedgeometricoperator,theaveragingoperator,thegeometricmeanoperator,theorderedweightedsquarerootoperator,thesquarerootoperator,themaxoperator,themedianoperatorandtheminoperatorarealsothespecialcasesoftheOWDmeasure.SomemethodsdependingontheinputargumentsaregiventodeterminetheweightsassociatedwiththeOWDmeasure.TheprominentcharacteristicoftheOWDmeasureisthatitcanrelieve(orintensify)theinfluenceofundulylargeorundulysmalldeviationsontheaggregationresultsbyassigningthemlow(orhigh)weights.ThisdesirablecharacteristicmakestheOWDmeasureverysuitabletobeusedinmanyactualfields,includinggroupdecisionmaking,medicaldiagnosis,datamining,andpatternrecognition,etc.Finally,basedontheOWDmeasure,wedevelopagroupdecisionmakingapproach,andillustrateitwithanumericalexample.
简介:Themaximummatchinggraphofagraphhasavertexforeachmaximummatchingandanedgeforeachpairofmaximummatchingswhichdifferbyexactlyoneedge.Inthispaper,weobtainalowerboundofdistancebetweentwoverticesofmaximummatchinggraph,andgiveanecessaryandsufficientconditionthattheboundcanbereached.
简介:ZhangXiangyang:ResponsetoProfessorGuYueguoHiEveryone.I’mpleasedtoreadProf.Gu’sprovocativeideasandGary’sresponse.I’vebeenin-volvedindistanceteachingandlearningforcertainyears,thatis,workinginXuzhouRadioandTelevi-sionUniversity.In1996,notin1997,Gumadeatonguesliphere,wewereamongthefirstTVUswhichhavebeentrialingGu’BADistanceCourse,whichwonpraisesandhatredfromtheBAstudents(theyareallteachersofEnglishinmiddleschoolsinChina,withunbearablework-load)andtutorsatTVUsinChina.Why?Herearemypoints:1.DLinChinaallgetquitewellwiththetraditionalteacher-centrededucationalcontext.Theyallknowthatsomethingwrongwithit,butfewwanttodosome-thingaboutit.2.DLinChinadonotknowhowtolearn.Theyliketowaitforthecorrectkeysandex-
简介:ThispaperfocusesonstudyinglongdistancetransferenceofheightdatumacrossseasbycombiningellipsoidalheightderivedfromGPSwithgravimetricgeoidheight.TheYellowSeaHeightDatumistransferredtoYangshanIslandwhichis30kmawayfromLuchaoganginShanghai.Thestationsheightsderivedinthiswayarecomparedwiththosedeterminedfromtwoindependentsetsofthetidalobservationstakenintwoyears,andthedifferencevaluesare1.0cmand6.0cm,respectively.Moreover,thederivedheightdifferencesbetweentwosectionsontheislandarealsocomparedwiththevaluesderivedfrompreciselevelingwithrespecttothesamesection.Theresultshowsthattheinconsistenciesareonly0.2cmand0.7cm,respectively.
简介:LargescalecharacteristicdistancebetwenstrongearthquakeXIANFUDU(杜先富)SHAOXIEXU(许绍燮)InstituteofGeophysics,StateSeismologicalB...
简介:Background:Themeasurementofthepistonlengthduringstapedotomyisimportantanditmayhavesignificanteffectsonthesurgicaloutcome.Objective:Todeterminethepistonlengthinagroupofotosclerosispatientswhounderwentprimarystapedotomy.Materialandmethods:BetweenSep2013andSep2014,85patientswithdiagnosedotosclerosisunderwentprimarystapedotomy.Teflonprosthesisof0.6mmofdiameterwasusedinallpatients.Thedistancebetweenmedialsurfaceofthelongprocessofincusandcenterpointofthestapedialfootplatemeasured.Thepistonlengthcalculatedbyadding0.25mmforthethicknessoffootplateand0.50mmforplacementoftheprosthesisintothevestibule.Results:Thedistancebetweenstapedialfootplateandincusrangedfrom3.50to4.50mm.Themeandistancewas3.95±0.16mm.Inmajorityofcases(74.1%)pistonlengthwas4.75mmfollowedby4.50mmin15.3%and5.00mmin5.9%.Pistonlengthwas4.25mmin3.5%and5.25mminonly1.2%ofpatients.Therewasnosignificantpost-operativecomplicationandairbonegapclosureobtainedinallpatients.Conclusion:Themostcommondistancebetweenfootplateandincusis4.00mm.Nocaseneededapistonlongerthan5.25mmorshorterthan4.25mm.