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，， 的 以 的 以 Inmyopinion,theFinancialEngineeringisakind eative FinancialInstruments,FinancialMeansand balancetheandventureasaninteresting subject. ersmanyfieldssuchmathematics,computerscience nwhichthemathematicsmathematicalmodelingare in oftheFinancialEngineering.InvestmentPortfolio of thecapitalassetpricingmodelofSharp,Option lesand“Binomial”modelofCoxbestreflect riticalposonofthetwo 幸选择 XX 座上举了 “现实生活中的数学”例子：“1公斤面,1公斤馅,包100个饺子;若比1’’ haddeepenedmyunderstandingofthem,especiallyofmathematicalmodeling.stilloccurstomewhenIwenttoattendtheclassofXXdepartmentgivenProfessorProfessorJiangqiyuaninTsinghuaUniversityforthefirsttime.“1kilogramofaddedaddedwith1kilogramofstuffingcanmake100dumplings,butwhatiftheismorethan1kilogram?”Heusedaverysimple,vividandinterestingwhicharousedmyinterestandledmeintothemathematicalmodeling ， 第一次和数学建模亲密接触是在05年的暑假我有幸参加了学校组织的数学建模 ，经验丰富的数学老师们通过实实在在的例子告诉我们什么是数学建模给我印 深的是个关于SARS的例子：2003年，SARS爆发并在世界范围 播，严重 到我 济，展和人民生活定量的研究SARS 型预 ，。 。 培训给我留下的不仅是一个个经典的数学模型更重要的是一份澎湃 因为有了 的继续着;那么当的继续着;那么当 ThefirstieThefirstieI emathematicalmodelingwasinthesummerof when otagoodopportunitytoattendthemathematicaltraining zedbyurschool.Seasonedmathematicsteacherstoldmewhat themathmaticalmodelingisthroughsomeexistingexamples,inwhichoneaboutSARSimpressedmemost.In2003,SARSbrokeoutandshroudedtothewholeworld,whichimperiledoureconomicdevelopmentandpeople’living.Therefore,studyonitsspreadingregularityandbuildingthe” ” forallmathematicians…So,theLogisticregressionhas ，carvedcarvedinmymemory.Twoweeks’traininghaspresentedmewithakindpassionandpassionandcalmthinkingmuchmorethanjustthoseclassicalmodels.Asthepatronsaintofourhuman-beings,theexistenceofandmathematicalmodelingaremaintainingoursubsistenceand Then,whenSARSranriot,whenwearesufferingfromthepainof S,what ，doasamathematicsandmathematicalmodelingloverwho slife ， 怀着这 和思考在大二的秋天我第一次尝试了运用数学建模的知识去解决实 怀着这 和思考在大二的秋天我第一次尝试了运用数学建模的知识去解决实问题我和另外两名队员代表学校参加 建模比赛比赛要求结合数据对析制定污水处理计划长达17页的数据 我们尝 近一天 指数 污水处 澎湃 PocketedwithPocketedwiththispassionandthinking,ItastedtousemathematicalintopracticeandsolvethepracticalproblemsbyattendingtheNationalMathematicalModelingContestwiththeothertwoschoolmatesonbehalfofcollege.ItrequiredustoevaluatethewaterqualityofChangjiangRiver totothedata,throughwhichwehad yzethewaterpollutionineveryandpredictthetrendofitintheandpredictthetrendofitinthefuture.Finallywehadtobringouttheplanit.Itwasreallyachallengeforustowardsfloodofdataandestimationsas17pages.Wetriedalmostawholedayonlytofilterthosedata eevaluationsintocomprehensiveaccount.Pullingdownvarious wehadbefore,weweresodefeatedthatwewantedtogiveup mes. ever,finallyfoundthesatisfactorymodelthankstoour o whicharmeduswithfullstrengthtogo oevaluatethequalitybyCompositeindexmodel, ldnot presentthefactors,butalsoreflectthemain sofhecontaminationstothepollution.Wepredicted llutionthroughmultipleregressionsfittingand ughtout planagainstitbybuildingoptimization ot condprizeinBeijingforourthesis. m instead.Thecreationofthemathematicalmodeling,alongthe solutiontotheproblemsthroughitliedonthesolid dation, ngmodelingability,accumulationoftheknowledgeonfields,uniquecreativeideasand， ，，，的数据量比上次 数模竞赛更大我的算法运行时间相当长而且运行的结果也很不，，，， 算法Theexperiencefromthiscontestfurtherarousedmy inTheexperiencefromthiscontestfurtherarousedmy in matics.begantopaymoreattentiontoitsapplicationas .addition,Itriedtocatchevery rtinthemathematicalmodeling.Myeffortsfinally arded wasinthefirsttermajunior.Ihadachanceto in 3-dayelectricianmodelingpractice ports gramsforabigsportsBeingfamiliarwiththe hTheory, yfoundthewaytosolveproblemsby e cuitline.Facingthenearly8.7billionfileswith nt muchmorethanthatontheNationalModelg IspentalongtimeonAlgorithmwithoutanyperfectresult.wasn’t edtowadsthiscase,butsoexcitedinsteadthatIcouldhavesuch eto geandimprovemyself.Lookingupdozensoffiles,IfinallymadeperfectendofthepracticebyusingtheGeneticAlgorithmintofullaccount.needsbothasuccessfulmodelandaneffectivearithmetictosolveproblems.,whichlargelyshortenedtheoperationtimeandimprovedoperationresult.Ilearntalotfromthispractice.Icametoknowthattosuccessfulmathematicsmodelingthatcaneffectivelysolvethepractical，、wemusttaketheoperation，、 电工数模实习结束后浓厚的学 电工数模实习结束后浓厚的学 和电工数学实习的教训促使我和数学系计算 蚂蚁算法都曾成为我们的讨论话题通过这个活动我从数学系和计 系的同 行着, 的。。 的兴。。SummarizingSummarizingmyfailuresinthe cal proceedingfrommyinterestinthis tothinkofcollaboratingon“MathematicalModeling ith l“MathematicalModeling ith lstudentsfrommathematicscomputer ingtheCoputerAlgorithmsandmodelingasthe fthe k.EveryTuesdayafternoon,weorganized erestedinthisfieldtostudyandexchangethe impartingexperience,sharingwhatwelearnt,together discussigwitheachother.Boththetraditionaltransportation ge sandthemodernStimulatedAnnealingArithmetic(SAA),Algorithmhaveeverbeenthetopicofourdiscussion,fromwhichIhavemanythinkingstylesandmethodstotheproblemsfromthestudentsbothmathematicsandcomputerdepartment.Sofar,Iamexcitedtoseethatthisisstillinthewindwithmoreandmoreparticipantsanditarousedaupsurgeinour，。堂互动的教学实践其数据大多 问卷等文字形式出现此模型的特点让我马上联想，。 通 在师生互 ，提高数学课堂教学质量中所起的作用得出教师的授课技巧和课堂 设置在 互动中， 动教学 评价中 用 并有 mendedbymyteacher,I themendedbymyteacher,I theTeachingProgramofMrs.Xingyonglithe of“Improvingtheteachingqualityonclass”. long someothermathematicsexperiencedtheclass 04to2005withthecharacterdatainformofpaper For leofdatafiles,Ifinallyused Hierarchy ss(AHP) creativechallengeinsteadofthefuzzytive ismodels,whichfirstlyknockedmymind.tatingandusing AHP,Isucceeded yzinghowtheoverallqualityofthe heir gskillsworkinimprovingthemathematicsteachingqualityclass,fromwhichwegottheconclusionthattheteach