RobertSedgewickhasthoroughlyrewrittenandsubstantiallyexpandedandupdatedhispopularworktoprovidecurrentandcomprehensivecoverageofimportantalgorithmsanddatastructures.ChristopherVanWykandSedgewickhavedevelopednewC++implementationsthatbothexpressthemethodsinaconciseanddirectmanner,andalsoprovideprogrammerswiththepracticalmeanstotestthemonrealapplications.Manynewalgorithmsarepresented,andtheexplanationsofeachalgorithmaremuchmoredetailedthaninpreviouseditions.Anewtextdesignanddetailed,innovativefigures,withaccompanyingcommentary,greatlyenhancethepresentation.ThethirdeditionretainsthesuccessfulblendoftheoryandpracticethathasmadeSedgewick'sworkaninvaluableresourceformorethan250,000programmers!Thisparticularbook,Parts1n4,representstheessentialfirsthalfofSedgewick'scompletework.Itprovidesextensivecoverageoffundamentaldatastructuresandalgorithmsforsorting,searching,andrelatedapplications.Althoughthesubstanceofthebookappliestoprogramminginanylanguage,theimplementationsbyVanWykandSedgewickalsoexploitthenaturalmatchbetweenC++classesandADTimplementations.Highlights*Expandedcoverageofarrays,linkedlists,strings,trees,andotherbasicdatastructures*Greateremphasisonabstractdatatypes(ADTs),modularprogramming,object-orientedprogramming,andC++classesthaninpreviouseditions*Over100algorithmsforsorting,selection,priorityqueueADTimplementations,andsymboltableADT(searching)implementations*Newimplementationsofbinomialqueues,multiwayradixsorting,randomizedBSTs,splaytrees,skiplists,multiwaytries,Btrees,extendiblehashing,andmuchmore*Increasedquantitativeinformationaboutthealgorithms,givingyouabasisforcomparingthem*Over1000newexercisestohelpyoulearnthepropertiesofalgorithmsWhetheryouarelearningthealgorithmsforthefirsttimeorwishtohaveup-to-datereferencematerialthatincorporatesnewprogrammingstyleswithclassicandnewalgorithms,youwillfindawealthofusefulinformationinthisbook.
2024/4/24 7:27:29 11.47MB 算法 C++
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Physical-layersecurityanalysisofaquantum-noiserandomizedcipherbasedonthewire-tapchannelmodel
2024/3/1 22:41:44 2.57MB 研究论文
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在机器人视觉系统中运用SIFT描述子对现实世界中的目标进行识别,这一研究已经取得了很大的进步。
运用SIFT生成的图像特征向量的性能十分稳定,对旋转、缩放、平移是保持不变性的,对一定程度目标遮挡、光照变化、视点变化、杂物场景和噪声等也能保持很好的不变性。
RANSAC算法早就已经是计算机视觉领域常用的一个进行矫正的标准方法,在标准的RANSAC算法基础上加入了假设评价,改进为R-RANSAC(TheRandomizedRANSAC)算法。
对这两个方面进行论述,运用SIFT(尺度不变特征变换)算法对双目机器人的两幅视觉图像进行匹配,采用带SPRT的R-RANSAC改进算法对匹配过程进行优化,尽可能在短的时间里完成匹配矫正,进而加速整个配准的时间。
2024/2/17 5:39:03 538KB 论文研究
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Formanycomputervisionproblems,themosttimeconsumingcomponentconsistsofnearestneighbormatchinginhigh-dimensionalspaces.Therearenoknownexactalgorithmsforsolvingthesehigh-dimensionalproblemsthatarefasterthanlinearsearch.Approximatealgorithmsareknowntoprovidelargespeedupswithonlyminorlossinaccuracy,butmanysuchalgorithmshavebeenpublishedwithonlyminimalguidanceonselectinganalgorithmanditsparametersforanygivenproblem.Inthispaper,wedescribeasystemthatanswersthequestion,“Whatisthefastestapproximatenearest-neighboralgorithmformydata?”Oursystemwilltakeanygivendatasetanddesireddegreeofprecisionandusethesetoautomaticallydeterminethebestalgorithmandparametervalues.Wealsodescribeanewalgorithmthatappliesprioritysearchonhierarchicalk-meanstrees,whichwehavefoundtoprovidethebestknownperformanceonmanydatasets.Aftertestingarangeofalternatives,wehavefoundthatmultiplerandomizedk-dtreesprovidethebestperformanceforotherdatasets.Wearereleasingpublicdomaincodethatimplementstheseapproaches.Thislibraryprovidesaboutoneorderofmagnitudeimprovementinquerytimeoverthebestpreviouslyavailablesoftwareandprovidesfullyautomatedparameterselection.
2023/12/10 19:56:16 380KB nearest-neighbors search randomized kd-trees
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TianyiZhou,DachengTao等人提出的GoDec模型,适用于低秩分解。
2023/11/28 12:27:28 2KB GoDec 低秩分解
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Physical-layersecurityanalysisofPSKquantum-noiserandomizedcipherinopticallyamplifiedlinks
2023/7/15 1:01:41 1.53MB 研究论文
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输油管道问题,在VC6.0中实现,算法参考《计算机算法设计与分析》(王晓东)。
分治算法RandomizedSelect
2023/6/14 23:52:36 7KB 输油管道问题 算法 源程序
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Recentinterestinbiologicalgamesandmathematicalfinancemakethisclassic1982textanecessityonceagain.Unlikeotherbooksinthefield,thistextprovidesanoverviewoftheanalysisofdynamic/differentialzero-sumandnonzero-sumgamesandsimultaneouslystressestheroleofdifferentinformationpatterns.Thefirsteditionwasfullyrevisedin1995,addingnewtopicssuchasrandomizedstrategies,finitegameswithintegrateddecisions,andrefinementsofNashequilibrium.Readerscannowlookforwardtoevenmorerecentresultsinthisunabridged,revisedSIAMClassicsedition.Topicscoveredincludestaticanddynamicnoncooperativegametheory,withanemphasisontheinterplaybetweendynamicinformationpatternsandstructuralpropertiesofseveraldifferenttypesofequilibria;NashandStackelbergsolutionconcepts;multi-actgames;Braessparadox;differentialgames;therelationshipbetweentheexistenceofsolutionsofRiccatiequationsandtheexistenceofNashequilibriumsolutions;andinfinite-horizondifferentialgames.
2023/1/17 0:40:57 26.74MB Game theory
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Socialnetworksallowrapidspreadofideasand.innovationswhilethenegativeinformationcanalsopropagate.widely.Whenthecascadeswithdifferentopinionsreachingthe.sameuser,thecascadearrivingfirstisthemostlikelytobetaken.bytheuser.Therefore,oncemisinformationorrumorisdetected,.anaturalcontainmentmethodistointroduceapositivecascade.competingagainsttherumor.Givenabudgetk,therumor.blockingproblemasksforkseeduserstotriggerthespreadofthe.pos
2021/11/16 23:05:14 375KB 研究论文
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(含源码及报告)本程序分析了自2016年到2021年(外加)每年我国原油加工的产量,并且分析了2020年全国各地区原油加工量等,含饼状图,柱状图,折线图,数据在地图上显示。
运转本程序需要requests、bs4、csv、pandas、matplotlib、pyecharts库的支持,如果缺少某库请自行安装后再运转。
文件含6个excel表,若干个csv文件以及一个名字为render的html文件(需要用浏览器打开),直观的数据处理部分是图片以及html文件,可在地图中显示,数据处理的是excel文件。
不懂可以扫文件中二维码在QQ里面问。
2022/9/30 16:31:44 29.75MB 爬虫 python 源码软件 开发语言
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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