IncapacityasProfessorofMathematicsatFudanUniversity?I'mwritingtorecommendMr.Wang?GesintosyourPhDprograminComputerScience.IhaveknownMr.Wangsincehissophomoreyearofcollege?andhaveactedashisthesisadvisormentor.Inmyexperience?heisagifteddiligentstudent?andanadmirablyhardworker.
Wangisanimpressivestudentbecausehehasbeenforcedtoovercomethesignificantchallengeofaseriousillnessduringhisfreshmanyear.WhenIfirstmetWanginmyDiscreteMathclass?hedidnotappeartobeanythingspecialtome.Whilehisexamscoresweregood?theywerenotashighasIwouldnowexpectofhim.
WhatIdidn'tknowthenwasthatduetohisillness?Wangwasattemptingtotakeallofthedifficultearlymathematicscoursesatonetime?includingDiscreteMathematics?AdvancedMathematics?LinearAlgebra?andPossibilities.Whilemoststudentsfoundpreparingforjustonesetoftheseexamsdifficult?Wangwasoverwhelmedbyfourofthem.Butintheend?heachievedanimpressivescoreonthefinalexam?whichmademeconsciousofhisunusualdeterminationhedemonstrateswhenconfrontingdifficultchallenges.
Mr.WangIhaveoftentalkedaboutavarietyofmathematicscomputerscienceconceptsproblems.Duringthesediscussions?Ialwaysfoundhimtobedelightfullyintelligent.Notonlydoeshequicklyunderstandtheconceptsproblemspresentedtohim?heisabletoanalyzetheseproblemspresentsolutions.ButperhapsmostimportantisthatWang'sthinkingisintenselyrigorous.Whenlookingatanyquestion?hecarefullyscrutinizesitifhefindsanyuncertainissue
heclearsthemupimmediately.Ibelievethiskindofthoughtisessentialtobecomeanexcellentcomputerprogrammer.
Servingashisthesisadvisor?Ihadafirst-handopportunitytoobservethewayinwhichWang'smindworks.Inhissenorthesis?Mr.Wangmainlydiscussedtwochallengingquestionsinregardsto″ANN″。InourbooksinChina?knowledgeofANNitsusesareveryrare.FewpeopleinChinahavestudiedthistopicconsequently?thematerialsthatareavailableonANNarelimited.Workingonthisdifficultproject?notonlydidMr.Wangrisetothechallenge?buthewentabovebeyondthecallofdutytoanalyzehissecondarysourcestestthemforaccuracyinpractice.Inthisway?hefoundmistakesinthebookthatweuse.Hisdiligencehardworkmademeextremelyproudofhim.