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1、ACompaniontoClassicalElectrodynamics3rdEditionbyJ.D.JacksonRudolphJ.MagyarAugust6,2001cRudolphJ.Magyar.NoportionofthismaybereproducedforprofitwithouttheexpressedpriorwrittenconsentofRudolphJ.Magyar.1AlotofthingscanbesaidaboutClassicalElectrodynamics,thethirdedition,byDavidJ.Jackson.It’sseemingl
2、yexhaustive,wellresearched,andcertainlypopular.Then,thereisageneralconsensusamongteachersthatthisbookisthedefinitivegraduatetextonthesubject.Inmyopinion,thisisquiteunfortunate.Thetextoftenassumesfamiliaritywiththematerial,skipsvitalsteps,andprovidestoofewexamples.Itissimplynotagoodintroductoryt
3、ext.Ontheotherhand,Jacksonwasveryambitious.Asidefromsomenotableomissions(suchasconformalmappingmethods),Jacksonexposesthereadertomostofclassicalelectro-magnetictheory.EvenThomasAquinaswouldbeimpressed!Asareference,Jackson’sbookisgreat!ItisobviousthatJacksonknowshisstuff,andinnoplaceisthismoreap
4、parentthanintheproblemswhichheasksattheendofeachchapter.Sometimestheproblemsarequitesimpleorroutine,othertimesdifficult,andquiteoftentherewillbeundauntingamountsofalgebrarequired.Solvingtheseproblemsisatimeconsumingendevourforeventhequickestreckonersamongus.IpresentthisCompaniontoJacksonasamotiv
5、ationtootherstudents.Theseproblemscanbedone!Anditdoesn’ttakeFeynmanntodothem.Hopefully,withthehelpofthisguide,lotsofpaper,andyourownwits;you’llbeabletowrestlewiththeconceptsthatchallengedthegreatestmindsofthelastcentury.BeforeIbegin,IwillrecommendseveralthingswhichIfoundusefulinsolvingthesepro
6、blems.•BuyGriffiths’text,anIntroductiontoElectrodynamics.It’swellwrit-tenandintroducesthebasicconceptswell.ThistextisatamorebasiclevelthanJackson,andtobebestprepared,you’llhavetofindothertextsatJackson’slevel.ButrememberRomewasn’tbuildinaday,andyouhavetostartsomewhere.•Obtainothertextsonthelevel(
7、orneartoit)ofJackson.Irec-ommendVanderlinde’sElectromagnetismbookorEyges’Electromag-netismbook.BothprovidehelpfulinsightsintowhatJacksonistalkingabout.Butevenmoreusefully,differentauthorsliketoborroweachothers’problemsandexamples.Aproble