简介：概括最少的广场(LS)问题...(斧子-b)[啜TW[啜-1](Ax-b)出现在，许多申请区域。在这里，W是m吗？

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简介：Appliedstatisticiansareoftenconfrontedwithstatisticalinferenceproblemsdealingwithsituationsinwhichthereappeartobenodata,ordataofonlylimitedusefulness.Forexample,whenattemptingtofindaconfidenceintervalforabinomialproportion,thesamplemaycontainnosuccesses.Suchascenariocouldbeencounteredwhenattemptingtoestimatetheincidenceofanextremelyraresideeffectassociatedwiththeadministrationofanewlydevelopeddrug.Inthisarticle,weuseexamplesforourexperiencesworkingwithscientificinvestigatorsanddescribeseveralscenariosinwhichthereappearedtobenousefuldata,ordataofonlylimitedusefulness.Wedescribethemethodswepreferforanalyzingthedatainthesesituationsandillustratetheirapplicationusingtheactualdatafromtheinvestigationsweparticipatedin.

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简介：Abstract.OgrobjectinthisartlcleistodescribetbeGalerklnschemeandnonlin-eaxGalerkinschemefortheapproximationofnonlinearevolutionequations,andtostudythestabilityoftheseschemes.SpatialdiscretizatloncanbepedormedbyeitherGalerklnspectralmethodornonlinearGalerldnspectralmethod;timediscretizatlortisdonehyEulersin.heinewklchisexplicitorimplicitinthenonlinearterms.Accordingtothestabilityanalysisoftheaboveschemes,thestabilityofnonllneexGalerklnmethodisbetterthanthatofGalexklnmethod.

简介：Asanimportantmodelinquantumsemiconductordevices,theSchrodinger-Poissonequationshavegeneratedwidespreadinterestsinbothanalysisandnumericalsimulationsinrecentyears.Inthispaper,wepresentGaussianbeammethodsforthenumericalsimulationoftheone-dimensionalSchrodinger-Poissonequations.TheGaussianbeammethodsforhighfrequencywavesoutperformthegeometricalopticsmethodinthattheformerareaccurateevenaroundcaustics.ThepurposesofthepaperarefirsttodeveloptheGaussianbeammethods,basedonourpreviousmethodsforthelinearSchrodingerequation,fortheSchrodinger-Poissonequations,andthenchecktheirvalidityforthisweakly-nonlinearsystem.

简介：Inthiswork,dynamiccompositeanalysistruncatedsandwichconicalshells(STCS)withdifferentboundaryconditionsunderlowvelocityimpactwasinvestigatedanalytically,accordinghigherordersandwichpaneltheory.ImpactoccurredatthetopfacesheetandthecontactforcehistoryispredictedusingtwosolutionmodelscalculatedapplyingprincipalofHamiltonbyconsideringthedisplacementcontinuityconditionsbetweenthelayers.Forobtainingthedisplacementandcontactforcehistories,thedifferentialquadraturemethod(DQM)isutilised.Inthisinvestigation,theeffectsoflayerlaminanumber,conesemivertexangle,boundaryconditionsandimpactvelocityontheimpactresponsearestudied.

简介：Fromtheperspectiveofcarbondisclosuregoal,thepaperdefinedthedetailtypesofcontentsaboutcarboninformationdisclosure,thenconstructedthecarboninformationdisclosureindex,byusingtheindicesto2011annualreportofA-sharelistedcompaniesinShanghaiandShenzhenSecurityExchange,wefoundthatChineseenterprises’carbondisclosurescattered,industrystructurequitedifferentcharacteristics,quantityinformationandqualityinformationasymmetry.

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简介：这篇文章的目的是为不可压缩的magnetohydrodynamic方程开发并且分析最少平方的近似。最少平方的有限元素方法的主要优点是它不受到所谓的Ladyzhenskaya相当於Mr或Sir的称谓?ka-Brezzi(LBB)状况。作者采用包含与在H-1的内部产品有关的一个分离内部产品的最少平方的functionals(蠅)。

简介：Structuralfinger-jointed(FJ)lumberwasusedmainlyinstructuralapplicationsincludingglue-laminatedbeamsandwoodenI-joistsandmorerecentlyinparallelchordwoodtrusses.ThepaperevaluatedstrengthpropertiesofstructuralFJlumberbythreenondestructivemethods(edge-wisebending,longitudinalandtransversalvibration)inordertofindanalternativetotraditionalevaluationmethods.LumberwassawnfromthelogsfollowingapatterntypicallyusedinChinatomaximizethevolumeofrecover...

简介：The6thAsianConferenceonMultibodyDynamics(ACMD2012)hasbeensuccessfullyheldinShanghaiChinaorganizedbyShanghaiJiaoTongUniversity,hostedbytheChineseSocietyofTheoreticalandAppliedMechanics,divisionofdynamicsandcontrol,theJapanSocietyofMechanicalEngineers,theKoreanSocietyofMechanicalEngineers,InternationalFederationforthePromotionofMechanismandMachineScienceandInternationalSteeringCommitteeofAsianConferenceonMultibodyDynamics.

简介：Poly(vinylalcohol)(PVA)/hydroxyapatite(HA)compositehydrogelspecimenswerepreparedwith15%PVAand1%,2%,3%,4%and5%HAbyrepeatedfreezing-thawing.ThetestsofstaticanddynamicmechanicalpropertieswerecarriedouttodiscusstheinfluenceofdifferentcontentsofHAandfreezing-thawingcyclesonthemechanicalpropertiesofPVA/HAcompositehydrogel.TheresultsofstaticmechanicaltestsshowedthatthePVA/HAcompositehydrogelwith3%HAandninefreezing-thawingcycleshadexcellentstressrelaxationproperties,higherrelaxationratio,lowerstressequilibriumvalueandpresentedbetterpropertiesofcreepandrecovery.TheresultsofdynamicmechanicaltestshowedthatthePVA/HAcompositehydrogelwithninefreezing-thawingcycleshadhigherstoragemodulusandlossmodulus,sowasthePVA/HAcompositehydrogelwith3%HA.

简介：Severaleffectivenumericalmethodsforsolvingtheelasto-plasticcontactproblemswithfrictionarepres-ented.First,adirectsubstitutionmethodisemployedtoimposethecontactconstraintconditionsoncondensedfiniteele-mentequations,thusresultinginareductionbyhalfinthedimensionoffinalgoverningequations.Second,analgorithmcomposedofcontactconditionprobesandelasto-plasticiterationsisutilizedtosolvethegoverningequation,whichdistinguishestwokindsofnonlinearities,andmakesthesolutionunique.Inaddition,Positive-NegativeSequenceModifica-tionMethodisusedtocondensethefiniteelementequationsofeachsubstructureandananalyticalintegrationisintro-ducedtodeterminetheelasto-plasticstatusaftereachtimesteporeachiteration,hencethecomputationalefficiencyisen-hancedtoagreatextent.Finally,severaltestandpracticalexamplesarepressentedshowingthevalidityandversatilityofthesemethodsandalgorithms.

简介：Thispaperpresentsanewdecompositionmethodforsolvinglarge-scalesystemsofnonlinearequations.ThenewmethodisofsuperlinearconvergencespeedandhasratherlesscomputationalcomplexitythantheNewton-typedecompositionmethodaswellasotherknownnumericalmethods,Primalnumericalexperimentsshowthesuperiorityofthenewmethodtotheothers.

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简介：Westudythenumericalbehavioursoftherelaxedasynchronousmultisplittingmethodsforthelinearcomplementarityproblemsbysolvingsometypicalproblemsfrompracticalapplicationsonarealmultiprocessorsystem.Numericalresultsshowthattheparallelmultisplittingrelaxationmethodsalwaysperformmuchbetterthanthecorrespondingsequentialalternatives,andthattheasynchronousmultisplittingrelaxationmethodsoftenoutperformtheircorrespondingsynchronouscounterparts.Moreover,thetwo-sweeprelaxedmultisplittingmethodshavebetterconvergencepropertiesthantheircorrespondingone-sweeprelaxedonesinthesensethattheyhavelargerconvergencedomainsandfasterconvergencespeeds.Hence,theasynchronousmultisplittingunsymmetricrelaxationiterationsshouldbethemethodsofchoiceforsolvingthelargesparselinearcomplementarityproblemsintheparallelcomputingenvironments.

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简介：Recently,aclassoflogarithmic-quadraticproximal(LQP)methodswasintro-ducedbyAuslender,TeboulleandBen-Tiba.Theinexactversionsofthesemethodssolvethesub-problemsineachiterationapproximately.Inthispaper,wepresentapracticalinexactnesscriterionfortheinexactversionofthesemethods.