DML(DataManipulationLanguage,数据操作语言),用于检索或者更新数据DDL(DataDefinitionLanguage,数据定义语言),用于定义数据的结构,如创建,修改或者删除数据库对象DCL(DataControlLanguage,数据控制语言),定义数据库用户的权限创建用户给权限*我在这用的是oracle12c,oracle11g可直接解锁scott用户来练习SQL语句*用sys用户解锁并给密码:特性:语法:SELECT[DISTINCT]*|字段[别名],[字段[别名]]FROM表名称[表别名]查询dept表的全部记录查询每个雇员的编号,姓名和基本工资查询每个
2024/3/28 17:44:03 165KB SQL语句基础用法大全(DML)
1
解决笔记本音频设备“HighDefinitionAudio总线上的音频设备”问题,先安装kb835221,再安装KB888111
2024/3/1 4:15:08 786KB sp3声卡补丁KB888111XPSP3
1
DifferentialEquationsandLinearAlgebra(4th)英文无水印原版pdf第4版pdf所有页面使用FoxitReader、PDF-XChangeViewer、SumatraPDF和Firefox测试都可以打开本资源转载自网络,如有侵权,请联系上传者或csdn删除查看此书详细信息请在美国亚马逊官网搜索此书EditorialDirector,Mathematics:ChristinehoagEditor-in-Chief:DeirdreLynchAcquisitionsEditor:WilliamHoffmaProjectTeamLead:ChristinaleProjectmanager:LaurenMorseEditorialAssistant:JenniferSnyderProgramTeamLead:KarenwernholmProgramManagerDaniellesimbajonCoverandillustrationDesign:StudioMontageProgramDesignLead:BethPaquinProductMarketingManagerClaireKozarProductMarketingCoordiator:BrookesmithFieldMarketingManager:EvanStCyrSeniorAuthorSupport/TechnologySpecialist:JoevetereSeniorProcurementSpecialist:CarolMelvilleInteriorDesign,ProductionManagement,AnswerArt,andCompositioneNergizerAptara,LtdCoverImage:LighttrailsonmodernbuildingbackgroundinShanghai,China-hxdyl/123RFCopyrightO2017,2011,2005PearsonEducation,Inc.oritsaffiliates.AllRightsReserved.PrintedintheUnitedStatesofAmerica.Thispublicationisprotectedbycopyright,andpermissionshouldbeobtainedfromthepublisherpriortoanyprohibitedreproduction,storageinaretrievalsystem,ortransmissioninanyformorbyanymeans,electronic,mechanical,photocopyingrecording,orotherwise.Forinformationregardingpermissions,requestformsandtheappropriatecontactswithinthePearsonEducationGlobalRights&Permissionsdepartmentpleasevisitwww.pearsoned.com/permissions/PEARSONandALWAYSLEARNINGareexclusivetrademarksintheU.s.and/orothercountriesownedbyPearsonEducation,Inc.oritsaffiliatesUnlessotherwiseindicatedherein,anythird-partytrademarksthatmayappearinthisworkarethepropertyoftheirrespectiveowandanyreferencestothird-partytrademarks,logosorothertradedressarefordemonstrativeordescriptivepurposesonly.SuchofsuchmarksoranyrelationshipbetweentheownerandPearsonEducation,Inc.oritsaffiliates,authors,licenseesordistributortreferencesarenotintendedtoimplyanysponsorship,endorsement,authorization,orpromotionofPearsonsproductsbytheownersLibraryofCongressCataloging-in-PublicationDataGoode.StephenwDifferentialequationsandlinearalgebra/StephenW.GoodeandScottA.AnninCaliforniastateUniversity,Fullerton.-4theditionpagescmIncludesindexISBN978-0-321-96467-0—ISBN0-32196467-51.Differentialequations.2.Algebras,Linear.I.Annin,Scott.II.TitleQA371.G6442015515’.35-dc23201400601512345678910V031-1918171615PEARSONISBN10:0-321-96467-5www.pearsonhighered.comISBN13:978-0-321-96467-0ContentsPrefacevii1First-OrderDifferentialEquations1.1DifferentialEquationsEverywhere11.2BasicIdeasandTerminology131.3TheGeometryofFirst-OrderDifferentialEquations231.4SeparableDifferentialEquations341.5SomeSimplePopulationModels451.6First-OrderLinearDifferentialEquations531.7ModelingProblemsUsingFirst-OrderLinearDifferentialEquations61.8Changeofvariables711.9ExactDifferentialEquations821.10Numericalsolutiontofirst-OrderDifferentialEquations931.11SomeHigher-OrderDifferentialEquations1011.12ChapterReview1062MatricesandSystemsofLinearEquations1142.1Matrices:Definitionsandnotation1152.2MatrixAlgebra1222.3TerminologyforSystemsofLinearEquations13824R。
w-EchelonMatricesandElementaryR。
wOperations1462.5Gaussianelimination1562.6TheInverseofasquarematrix1682.7ElementaryMatricesandtheLUFactorization1792.8TheInvertiblematrixtheoremi1882.9ChapterReview1903Determinants1963.1TheDefinitionofthedeterminant1963.2PropertiesofDeterminants2093.3CofactorExpansions2223.4SummaryofDeterminants2353.5ChapterReview242iyContents4VectorSpaces2464.1Vectorsinrn2484.2DefinitionofaVectorSpace2524.3Subspaces2634.4SpanningSets2744.5LinearDependenceandLinearIndependence2844.6Basesanddimension2984.7Changeofbasis3114.8RowSpaceandColumnSpace3194.9TheRank-NullityTheorem3254.10InvertibleMatrixTheoremll3314.11ChapterReview3325InnerProductSpaces3395.1DefinitionofanInnerproductspace3405.2OrthogonalSetsofvectorsandorthogonalProjections3525.3Thegram-Schmidtprocess3625.4LeastSquaresApproximation3665.5ChapterReview3766LinearTransformations3796.1Definitionofalineartransformation3806.2Transformationsofr23916.3TheKernelandrangeofalineartransformation3976.4AdditionalPropertiesofLinearTransformations4076.5Thematrixofalineartransformation4196.6Chaiterreview4287EigenvaluesandEigenvectors4337.1TheEigenvalue/EigenvectorProblem4347.2GeneralResultsforEigenvaluesandEigenvectors4467.3Diagonalization4547.4AnIntroductiontotheMatrixExponentialFunction4627.5OrthogonalDiagonalizationandQuadraticforms4667.6Jordancanonicalforms4757.7Chapterreview4888LinearDifferentialEquationsofOrdern4938.1GeneralTheoryforLinearDifferentialEquations4958.2ConstantCoefficientHomogeneousLinearDifferentialEquations5058.3ThemethodofundeterminedcoefficientsAnnihilators5158.4Complex-ValuedTrialSolutions5268.5OscillationsofaMechanicalSystem529Contentsv8.6RLCCircuits5428.7TheVariationofparametersmethod5478.8ADifferentialEquationwithNonconstantCoefficients5578.9Reductionoforder5688.10ChapterReview5739SystemsofDifferentialEquations5809.1First-OrderLinearSystems5829.2VectorFormulation5889.3GeneralResultsforfirst-OrderLinearDifferentialystems5939.4VectorDifferentialEquations:NondefectiveCoefficientMatrix5999.5VectorDifferentialEquations:DefectiveCoefficientMatrix6089.6Variation-of-ParametersforLinearSystems6209.7SomeApplicationsofLinearSystemsofDifferentialEquations6259.8MatrixExponentialFunctionandSystemsofDifferentialEquations6359.9ThePhasePlaneforLinearAutonomousSystems6439.10NonlinearSystems6559.11ChapterReview66310TheLaplaceTransformandSomeElementaryApplications67010.1DefinitionoftheLaplaceTransform67010.2TheExistenceofthelaplacetransformandtheInversetransform67610.3PeriodicFunctionsandtheLaplacetransform68210.4ThetransformofderivativesandsolutionofInitial-Valueproblems68510.5TheFirstShiftingTheorem69010.6TheUnitStepFunction69510.7TheSecondShiftingTheorem69910.8ImpulsiveDrivingTerms:TheDiracDeltaFunction70610.9TheConvolutionIntegral71110.10ChapterReview71711SeriesSolutionstoLinearDifferentiaEquations72211.1AReviewofpowerseries72311.2SeriesSolutionsaboutanOrdinaryPoint73111.3TheLegendreEquation74111.4SeriesSolutionsaboutaRegularSingularPoint75011.5Frobeniustheory75911.6Bessel'sEquationofOrderp77311.7Chapterreview785ViContentsAReviewofComplexNumbers791BReviewofPartialFractions797CReviewofIntegrationTechniques804DLinearlyIndependentSolutionstox2y+xp(x)y+g(x)y=0811Answerstoodd-NumberedExercises814Index849S.W.GoodededicatesthisbooktomeganandtobiS.A.annindedicatesthisbooktoarthurandJuliannthebestparentsanyonecouldaskforPretraceLikethefirstthreeeditionsofDifferentialEquationsandLinearalgebra,thisfourtheditionisintendedforasophomorelevelcoursethatcoversmaterialinbothdifferentialequationsandlinearalgebra.Inwritingthistextwehaveendeavoredtodevelopthestudentsappreciationforthepowerofthegeneralvectorspaceframeworkinformulatingandsolvinglinearproblems.Thematerialisaccessibletoscienceandengineeringstu-dentswhohavecompletedthreesemestersofcalculusandwhobringthematurityofthatsuccesswiththemtothiscourseThistextiswrittenaswewouldnaturallyteachblendinganabundanceofexamplesandillustrations,butnotattheexpenseofadeliberateandrigoroustreatment.MostresultsareprovenindetailHowever,manyofthesecanbeskippedinfavorofamoreproblem-solvingorientedapproachdependingonthereader'sobjectives.Somereadersmayliketoincorporatesomeformoftechnology(computeralgebrasystem(CAS)orgraphingcalculator)andthereareseveralinstancesinthetextwherethepoweroftechnologyisillustratedusingtheCasMaple.Furthermore,manyexercisesetshaveproblemsthatrequiresomeformoftechnologyfortheirsolutionTheseproblemsaredesignatedwithaoIndevelopingthefourtheditionwehaveoncemorekeptmaximumflexibilityofthematerialinmind.Insodoing,thetextcaneffectivelyaccommodatethedifferentemphasesthatcanbeplacedinacombineddifferentialequationsandlinearalgebracourse,thevaryingbackgroundsofstudentswhoenrollinthistypeofcourse,andthefactthatdifferentinstitutionshavedifferentcreditvaluesforsuchacourse.Thewholetextcanbecoveredinafivecredit-hourcourse.Forcourseswithalowercredit-hourvalue,someselectivitywillhavetobeexercised.Forexample,much(orall)ofChapterImaybeomittedsincemoststudentswillhaveseenmanyofthesedifferentialequationstopicsinanearliercalculuscourse,andtheremainderofthetextdoesnotdependonthetechniquesintroducedinthischapter.Alternatively,whileoneofthemajorgoalsofthetextistointerweavethematerialondifferentialequationswiththetoolsfromlinearalgebrainasymbioticrelationshipasmuchaspossible,thecorematerialonlinearalgebraisgiveninChapters2-7sothatitispossibletousethisbookforacoursethatfocusessolelyonthelinearalgebrapresentedinthesesixchapters.ThematerialondifferentialequationsiscontainedprimarilyinChapters1and8-1l,andreaderswhohavealreadytakenafirstcourseinlinearalgebracanchoosetoproceeddirectlytothesechaptersThereareothermeansofeliminatingsectionstoreducetheamountofmaterialtobecoveredinacourse.Section2.7containsmaterialthatisnotrequiredelsewhereinthetext,Chapter3canbecondensedtoasinglesection(Section3.4)forreadersneedingonlyacursoryoverviewofdeterminants,andSections4.7,5.4,andthelatersectionsofChapters6and7couldallbereservedforasecondcourseinlinearalgebra.InChapter8Sections8.4,8.8,and8.9canbeomitted,and,dependingonthegoalsofthecourse,Sections8.5and8.6couldeitherbede-emphasizedoromittedcompletelySimilarremarksapplytoSections9.7-9.10.AtCaliforniaStateUniversity,Fullertonwehaveafourcredit-hourcourseforsophomoresthatisbasedaroundthematerialinChapters1-9viiiPrefaceMajorChangesintheFourthEditionSeveralsectionsofthetexthavebeenmodifiedtoimprovetheclarityofthepresentationandtoprovidenewexamplesthatreflectinsightfulillustrationswehaveusedinourowncoursesatCaliforniaStateUniversity,Fullerton.OthersignificantchangeswithinthetextarelistedbeleOW1.ThechapteronvectorspacesinthepreviouseditionhasbeensplitintotwochaptersChapters4and5)inthepresentedition,inordertofocusseparateattentiononvectorspacesandinnerproductspaces.Theshorterlengthofthesetwochaptersisalsointendedtomakeeachofthemlessdaunting2.Thechapteroninnerproductspaces(Chapter5)includesanewsectionprovidinganapplicationoflinearalgebratothesubjectofleastsquaresapproximation3.Thechapteronlineartransformationsinthepreviouseditionhasbeensplitintotwochapters(Chapters6and7)inthepresentedition.Chapter6isfocusedonlineartransformations,whileChapter7placesdirectemphasisonthetheoryofeigenvaluesandeigenvectors.Oncemore,readersshouldfindtheshorterchapterscoveringthesetopicsmoreapproachableandfocused4.Mostexercisesetshavebeenenlargedorrearranged.Over3,000problemsarenowcontainedwithinthetext,andmorethan600concept-orientedtrue/falseitemsarealsoincludedinthetext5.Everychapterofthebookincludesoneormoreoptionalprojectsthatallowformorein-depthstudyandapplicationofthetopicsfoundinthetext6.ThebackofthebooknowincludestheanswertoeveryTrue-FalsereviewitemcontainedinthetextAcknowledgmentsWewouldliketoacknowledgethethoughtfulinputfromthefollowingreviewersofthefourthedition:JameyBassofCityCollegeofSanFrancisco,TamarFriedmannofUniversityofrochester,andlinghaiZhangofLehighUniversityAlloftheircommentswereconsideredcarefullyinthepreparationofthetextS.A.Annin:Ioncemorethankmyparents,ArthurandJuliannAnnin,fortheirloveandencouragementinallofmyprofessionalendeavors.Ialsogratefullyacknowledgethemanystudentswhohavetakenthiscoursewithmeovertheyearsand,insodoinghaveenhancedmyloveforthesetopicsanddeeplyenrichedmycareerasaprofessorFirst-OrderDifferentiaEquations1.1DifferentialEquationsEverywhereadifferentialequationisanyequationthatinvolvesoneormorederivativesofanunknownfunction.Forexample(1.1.1dxds(S-1)(1.1.2)aredifferentialequations.Inthedifferentialequation(1.1.1)theunknownfunctionordependentvariableisy,andxistheindependentvariable;inthedifferentialequation(1.1.2)thedependentandindependentvariablesareSandt,respectively.Differentialequationssuchas(1.1.1)and(1.1.)inwhichtheunknownfunctiondependsonlyonasingleindependentvariablearecalledordinarydifferentialequations.Bycontrast,thedifferentialequationLaplace'sequation)0involvespartialderivativesoftheunknownfunctionu(x,y)oftwoindependentvariablesxandy.SuchdifferentialequationsarecalledpartialdifferentialequationsOnewayinwhichdifferentialequationscanbecharacterizedisbytheorderofthehighestderivativethatoccursinthedifferentialequationThisnumberiscalledtheorderofthedifferentialequation.Thus,(l1.1)hasordertwo,whereas(1.1.2)isafirst-orderdifferentialequation1
2024/1/26 14:10:04 16.51MB Differential Equations Linear Algebra
1
头盔的CustomResourceDefinition这是用于Helm发行版的实验性CRD控制器。
该项目目前未在积极开发中。
您可以使用它通过常规的KubernetesAPI对象安装,升级和删除集群中的图表,如下所示:apiVersion:helm.bitnami.com/v1kind:HelmReleasemetadata:name:mydbspec:#'stable'reporepoUrl:https://kubernetes-charts.storage.googleapis.comchartName:mariadbversion:2.0.1values:|mariadbDatabase:mydbmariadbPassword:sekretmariadbRo
2024/1/21 12:49:54 4.79MB Go
1
单片机模块的头文件。
C语言家族程序中,头文件被大量使用。
一般而言,每个C++/C程序通常由头文件(headerfiles)和定义文件(definitionfiles)组成。
头文件作为一种包含功能函数、数据接口声明的载体文件,主要用于保存程序的声明(declaration),而定义文件用于保存程序的实现(implementation)。
2024/1/12 4:29:54 457B gps.h
1
Definitionofa5-MWReferenceWindTurbineforOffshoreSystemDevelopment.pdf
2023/12/17 7:37:12 931KB 5MW风机
1
leetcodepython题解,包含大量leetcode题目的解法,源代码,python实现CourseSchedule21.4.4Numberofislands14.5HeapsMergeKSortedLinkedLists1.5.1KthLargestElementinanArray1.5.2Arrays1.62sum‖l1.62SumⅢ1.6.2ContainsDuplicate1.6.3RotateArray1.643SumSmaller1.653Sumclosest1.663Sum1.6.7TwoSum1.68PlusOne1.6.9BestTimetoBuyandSellStock1.6.10Shortestworddistance1.6.11Movezeroes1.6.12ContainsDuplicate1.6.13MajorityElement1.6.14RemoveDuplicatesfromSortedArray1.6.15NestedListWeightSum1.6.16NestedListWeightedSumIl1.6.17Removeelement1.6.18IntersectionofTwoArraysll1.6.19MergeSortedArrays1.6.20ReverseVowelsofaString1.6.21IntersectionofTwoArrays1.6.22Containerwithmostwater1.6.23ProductofArrayExceptSelf1.6.24TrappingRainWater1.6.25MaximumSubarray1.6.26BestTimetoBuyandSellStockIl1.6.27FindMinimuminRotatedSortedArray1.6.28Pascal'sTriangle1.6.29Pascal'sTriangle‖l1.6.30SummaryRanges1.6.31MissingNumber1.6.32StringsValidAnagram1.7.1Validpalindrome1.7.2WordPattern1.7.3ValidParentheses1.7.4IsomorphicStrings1.7.5ReverseString1.7.6BitManipulationSumofTwoIntegers18.1SingleNumber18.2Singlenumber‖18.3SingleNumberIll1.8.4Maths1.9ReverseInteger1.9.1Palindromenumber19.2Pow(x,n)19.3Subsets1.94Subsets‖195FractiontoRecurringDecimal19.6Excelsheetcolumnnumber19.7Excelsheetcolumntitle19.8FactorialTrailingzeros199HappyNumber1.9.10Countprimes1.9.11Plusone19.12DivideTwoIntegers19.13MultiplyStrings1.9.14MaxPointsonaline1.9.15ProductofArrayExceptSelf19.16Powerofthree19.17IntegerBreak1.9.18Poweroffour9.19Adddigits1.9.20UglyNumber1.9.21glyNumberll1.9.22SuperUglyNumber19.23FindKpairswithsmallestsums1.924SelfCrossing1.9.25Paintfence1.9.26Bulbswitcher19.27Nimgame1.9.28Matrix1.10RotateImage1.10.1SetmatrixZeroes1.10.2Searcha2DMatrix1.10.3Searcha2dMatrixl1.10.4SpiralMatrix1.10.5SpiralMatrix‖l1.10.6DesignLRUCache1.11.1IntroductionMyLeetcodeSolutionsinPythonThisbookwillcontainmysolutionsinPythontotheleetcodeproblems.Currently,willjusttrytoposttheacceptedsolutions.TheplanistoeventuallyincludedetailedexplanationsofeachandeverysolutionamdoingthisjustforfunLinkedListCycleLinkedListCvcleGivenalinkedlist,determineifithasacycleinitFollowup:Canyousolveitwithoutusingextraspace?Url:https://leetcode.com/problems/linked-list-cycle/Definitionforsingly-linkedlistclassListNodeobject)###definit(self,x)self,val=xself,nextNoneclassSolution(object):defhasCycle(self,head)IItypehead:ListNodertype:boolIIIIifhead=nonereturnfalseelsefastheadslow=headWhilefastnoneandfast.nextnonesloW=slownextfastfast.nextnextiffast=slow:breaki千fastNoneorfast.next=nonereturnFalseeliffast=slowreturntruereturnfalseLinkedListCycleReverseLinkedListReverseLinkedlistReverseasinglylinkedlistUrl:https://eetcode.com/problems/reverse-linked-list/definitionforsingly-linkedlist#tclassListNode(object):##def-init(self,x)self.∨al=xselfnextnoneclassSolution(object):defreverseList(self,head)11IIl1typehead:ListNodertype:ListNodeifhead=nonereturnnoneelifhead!=noneandheadnext=nonereturnheadelsetempNonenextnodenoneWhileheadNonenextnodeheadnexthead.nexttemptemp=headheadnextnodereturntempDeletenodeinalinkedlistDeletenodeinalinkedlistWriteafunctiontodeleteanode(exceptthetail)inasinglylinkedlist,givenonlyaccesstothatnodeSupposedthelinkedlistis1->2->3->4andyouaregiventhethirdnodewithvalue3,thelinkedlistshouldbecome1->2->4aftercallingyourfunctionUrl:https://eetcode.com/problems/delete-node-in-a-linked-list/Definitionforsingly-linkedlistclassListNode(object):#def-init(self,x)#self,valxself,nextNoneclasssolution(object):defdeleteNode(self,node):IIlIItypenode:ListNodertype:voidDonotreturnanythingmodifynodein-placeinsteadI111fnode=nonepasse⊥se:nextnodenode.nextnodevalnextnodevalnode.nextnextnode,next
2023/11/8 17:06:47 574KB leetcode python题解
1
SafetyPlan、Item定义、FMEDA、HARA、SystemValidationPlan、Checklist_Item_definition
2023/11/6 6:33:27 883KB ISO26262 SafetyPlan
1
抽象代数,dummitfooteWidelyacclaimedalgebratext.Thisbookisdesignedtogivethereaderinsightintothepowerandbeautythataccruesfromarichinterplaybetweendifferentareasofmathematics.Thebookcarefullydevelopsthetheoryofdifferentalgebraicstructures,beginningfrombasicdefinitionstosomein-depthresults,usingnumerousexamplesandexercisestoaidthereader'sunderstanding.Inthisway,readersgainanappreciationforhowmathematicalstructuresandtheirinterplayleadtopowerfulresultsandinsightsinanumberofdifferentsettings.
2023/11/3 14:54:13 33.61MB 抽象代数
1
VASP=ViennaAb-initioSimulationPackage是vasp4.6的库文件
2023/10/13 14:48:20 641KB VASP Vienna Ab initio
1
共 64 条记录 首页 上一页 下一页 尾页
在日常工作中,钉钉打卡成了我生活中不可或缺的一部分。然而,有时候这个看似简单的任务却给我带来了不少烦恼。 每天早晚,我总是得牢记打开钉钉应用,点击"工作台",再找到"考勤打卡"进行签到。有时候因为工作忙碌,会忘记打卡,导致考勤异常,影响当月的工作评价。而且,由于我使用的是苹果手机,有时候系统更新后,钉钉的某些功能会出现异常,使得打卡变得更加麻烦。 另外,我的家人使用的是安卓手机,他们也经常抱怨钉钉打卡的繁琐。尤其是对于那些不太熟悉手机操作的长辈来说,每次打卡都是一次挑战。他们总是担心自己会操作失误,导致打卡失败。 为了解决这些烦恼,我开始思考是否可以通过编写一个全自动化脚本来实现钉钉打卡。经过一段时间的摸索和学习,我终于成功编写出了一个适用于苹果和安卓系统的钉钉打卡脚本。
2024-04-09 15:03 15KB 钉钉 钉钉打卡