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500 个结果
  • 简介:Thefastturnoverofsoftwaretechnologies,inparticularinthedomainofinteractivity(coveringuserinterfaceandvisualisation)makesitdifficultforasmallgroupofpeopletoproducecompleteandpolishedsoftware-toolsbeforetheunderlyingtechnologiesmakethemobsolete.AttheHepVis'99workshop,aworkinggrouphasbeenformedtoimprovetherpoductionofsoftwaretoolsfordataanalysisinHENP.Besidepromotingadistributeddevelopmentorganisation,onegoalofthegroupistosystematicallydesignasetofabstractinterfacesbasedonusingmodernOOanalysisandOOdesigntechniques.Aninitialdomainanalysishascomeupwithseveralcategories(componets)foundintypicaldataanalysistools:historams,Ntuples,Functions,Vectors,Fitter,Plotter,AnalyzerandController,SpecialEmphasiswasputonreducingthecouplingsbetweenthecategoriestoaminimum,thusoptimisingre-useandmaintainabilityofanycomponentindividually.TheinterfaceshavebeendefinedinJavaandC++andimplementationsexistintheformoflibrariesandtoolsusingC++(Anaphe/Lizard,Openscientist)andJava(JavaAnalysisStudio),AspecialimplementationaimsataccessingtheJavaLiraries(throughtheirAbstractInterfaces)fromC++.ThispapergiveranoverviewofthearchitectureanddesignofthevariouscomponentsfordataanalysisasdiscussedinAIDA.

  • 标签: 软件开发 数据分析 数据分析工具 HENP
  • 简介:Teachinganalysiswithoutεσ¥LeePengYee(NationalUniversityofSingapore)1.IntroductionAnalysisisveryoftenregardedasadifficultsubje...

  • 标签: 国际数学教育 数学教授 李秉彝 学术交流 华人学者 数学界
  • 简介:Thispaperanalyzesnanobridgetestswithconsiderationofadhesivecontactdeformation,whichoccursbetweenaprobetipandatestednanobeam,anddeformationofasubstrateortemplatethatsupportsthetestednanobeam.Analyticaldisplacement-loadrelation,includingadhesivecontactdeformationandsubstratedeformation,ispresentedhereforsmalldeformationofbending.Theanalyticresultsareconfirmedbyfiniteelementanalysis.Ifadhesivecontactdeformationandsubstratedeformationarenotconsideredintheanalysisofnanobridgetestdata,theymightleadtolowervaluesofYoung'smodulusoftestednanobeams.

  • 标签: 测试数据分析 接触变形 试验 有限元分析 弯曲变形 杨氏模量
  • 简介:ByusingtheformuladerivedinPart(Ⅰ),theinstantresponseofanunrestrainedplanarframestructuresubjectedtotheimpactofamovingrigid-bodyareevaluatedandanalysed.Theimpactforce-timehistorybetweenthestructureandthemovingrigid-body,shearforceandbendingmomentdistributionalongthebeams,axialforcedistributionalongthebarswerecalculated.Thewavepropagationphenomenaofthelongitudinalwaveinthebars,theflexuralandshearwavesinthebeamswerealsoanalysed.Thenumericalresultsshowthatthetimedurationofimpactforceiscontrolledbytheflexuralwaveandthelongitudinalwave;thesheareffectinbeamsshouldnotbeneglectedintheimpactresponseanalysisofstructures.

  • 标签: 波传播 平面结构 碰撞反应 压力分布
  • 简介:Differentialproteinsexpressinginectopicandeutopicendometriawereinvestigatedbymeansofproteomicanalysis.Fivepatientsinsecretaryphasewerediagnosedasendometriosisbylaparoscopy.Thefiveectopicendometria(twoatstageⅡ,twoatstageⅢandoneatstageIV)andfiveeutopicendometriaweresurgicallyexcised.One-dimensionalelectrophoresiscoupledwithliquidchromatographyandmassspectrometrywasusedtoscreenandidentifydifferentialproteins.Threedifferentialbandsinone-dimensionalelectrophoresiswereresolvedbyliquidchromatographyandmassspectrometryand14up-regulatedproteinswereidentified,includingcollagenα-1,α-2,α-3(VI),α-1(XIV)chain,actin,annexinA2,EMILIN-1,ferritinlightpolypeptidevariant,fucosyltransferase10,myosin-9,proteinS100-A9,KIAA1783protein,andtwohypotheticalproteins.Ourdataprovidesalistofpotentialbiomarkersforendometriosis.Theidentificationsmaybeusedtodevelopnewdiagnosesforendometriosis.

  • 标签: 子宫内膜异位症 蛋白质组 差异分析 液相色谱 蛋白质表达 生物标志物
  • 简介:NewexperimentsincludingthoseattheLHCwillrequireanalysisofverylargedatasetswhicharebesthandledwithdistributedcomputation.WepresentthedesignanddevelopmentofaprototypeframeworkusingJavaandObjectivity.Ourframeworksolvessuchanalysis-specificproblemsasselectingeventsamplesfromlargedistributeddatabases.producingvarialbedistributions,andnegotiatingbetweenmultipleanalysisserviceproviders.ExamplesfromthesuccessfulapplicationoftheprototypetotheanalysisofdatafromtheL3experimentwillalsobepresented.

  • 标签: 分布式数据库 JAVA 分布分析 CMS实验
  • 简介:Inthispaper,weareinterestedinHSSpreconditionersforsaddlepointlin-earsystemswithanonzero(2,2)-thblock.WestudyanapproximationofthespectraofHSSpreconditionedmatricesandusetheseresultstoillustrateandexplainthespectraobtainedfromnumericalexamples,wherethepreviousspectralanalysisofHSSprecon-ditionedmatricesdoesnotcover.

  • 标签: 迭代方法 预处理 光谱分析 数学模拟
  • 简介:我们在场多在间隔上构造决定分析的一个具体方法。方法概括科恩,Daubechies和小瓶的相应结果[Appl.Comput。泛音肛门,1(1993),54-81]。由分操作符的使用,构造函数的表达式是更紧缩的。而且,方法更清楚地揭示一些性质多有某些近似顺序的决定分析。

  • 标签: 区间 多分辨分析 可加细函数 细分算子
  • 简介:E.Zeidlerin[10]mentionsthattransversalityiscertainlyoneofthemostimportantconceptsofmodernmathematics,whichprovidedananswertothequestion:whenisthepreimageofamanifoldamanifold.Thisisthecelebratedtransversalitytheorem,whichhasbeenappliedwidelytodifferentialtopologyanddynamicsystemin[1,2]and[3].

  • 标签: 广义横截性 拓扑流形 巴拿赫空间 有界线性算子
  • 简介:Givenasetofsignals,aclassicalconstructionofanoptimaltruncatablebasisforoptimallyrepresentingthesignals,istheprincipalcomponentanalysis(PCAforshort)approach.Whentheinformationaboutthesignalsonewouldliketorepresentisamoregeneralproperty,likesmoothness,adifferentbasisshouldbeconsidered.OneexampleistheFourierbasiswhichisoptimalforrepresentationsmoothfunctionssampledonregulargrid.ItisderivedastheeigenfunctionsofthecirculantLaplacianoperator.Inthispaper,basedontheoptimalityoftheeigenfunctionsoftheLaplace-Beltramioperator(LBOforshort),theconstructionofPCAforgeometricstructuresisregularized.Byassumingsmoothnessofagivendata,onecouldexploittheintrinsicgeometricstructuretoregularizetheconstructionofabasisbywhichtheobserveddataisrepresented.TheLBOcanbedecomposedtoprovidearepresentationspaceoptimizedforbothinternalstructureandexternalobservations.Theproposedmodeltakesthebestfromboththeintrinsicandtheextrinsicstructuresofthedataandprovidesanoptimalsmoothrepresentationofshapesandforms.

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  • 简介:TheCMSOOreconstructionprogram-ORCA-hasbeenusedsince1999toproducelargesamplesofreconstructedMonte-Carloeventsfordetectoroptimization,triggerandphysicsstudies,TheeventsarestoredinseveralObjectivityfederationsatCERN,intheUS,Italyandothercountries.ToperformtheirstudiesphysicistsusedifferenteventsamplesrangingfromcompletedatasetsofTBytesizetoonlyafeweventsoutofthesedatasets.WedescribetheimplementationoftheserequirementsintheORCAsoftwareandthewaycollctionsofeventsareaccessedforreading,writingorcopying.

  • 标签: CMS 00再现 程序设计 目标取向
  • 简介:Trafficruleisakeyfactoraffectingtrafficflowandsafety.Wedevelopourmodels,includingthecellularautomatatrafficflowmodelaswellasthelinearregressionone,aimingatcalculatingtrafficflowandevaluatingsafetyconditionswithvariedtrafficrules.Then,wethoroughlyinvestigatefourtypesofpathsinafreeway,namelytwostraightlanes,threestraightlanes,ramps,androundaboutsascasestudiesanddiscussthedifferenttrafficrulesascomparison.Theresultsdemonstratethat“Keep-Right-Except-To-Pass”ruleisnotaseffectiveasthefreeruleinpromotingtrafficflow;however,thisruleensuressafetyfordriversbetterthanthefreerule.Additionally,anewtrafficrule,whichsetsdifferentpostedspeedlimitsforadjacentlanes,isproposedtopromotebettertrafficflowwithsafetyrequirementssatisfied.Furthermore,weapplyeffectiverulesandalternatives,leftdrivingnormsaswellasintelligentsystemasextensionandobtainbetterresults.Finally,model’ssensitivityanalysisregardingtoprobabilityofdeceleratingandpostedspeedlimitsprovesthestabilityofourresults.

  • 标签: TRAFFIC FLOW CELLULAR AUTOMATA Safety EVALUATION
  • 简介:与联系的谎言点对称新(2+1)维的KdVequationu_t+3u_xu_y+u_(xxy)=0被调查。一些类似减小被解决相应特战程导出。为这个方程的Painleve分析也被介绍,孤立子答案从Baecklund转变直接被获得。

  • 标签: 二维KdV方程 LIE对称分析 PAINLEVE分析 精确解