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首页 数学公式的英语读法

数学公式的英语读法.pdf

数学公式的英语读法

日本省军分区政委
2011-04-12 0人阅读 举报 0 0 暂无简介

简介:本文档为《数学公式的英语读法pdf》,可适用于高等教育领域

HVa¨liahoPronunciationofmathematicalexpressionsThepronunciationsofthemostcommonmathematicalexpressionsaregiveninthelistbelowIngeneral,theshortestversionsarepreferred(unlessgreaterprecisionisnecessary)Logic∃thereexists∀forallp⇒qpimpliesqifp,thenqp⇔qpifandonlyifqpisequivalenttoqpandqareequivalentSetsx∈AxbelongstoAxisanelement(oramember)ofAx∈AxdoesnotbelongtoAxisnotanelement(oramember)ofAA⊂BAiscontainedinBAisasubsetofBA⊃BAcontainsBBisasubsetofAA∩BAcapBAmeetBAintersectionBA∪BAcupBAjoinBAunionBABAminusBthedifferencebetweenAandBA×BAcrossBthecartesianproductofAandBRealnumbersxxplusonex−xminusonex±xplusorminusonexyxyxmultipliedbyy(x−y)(xy)xminusy,xplusyxyxovery=theequalssignx=xequalsxisequaltox=x(is)notequaltox≡yxisequivalentto(oridenticalwith)yx≡yxisnotequivalentto(oridenticalwith)yx>yxisgreaterthanyx≥yxisgreaterthanorequaltoyx<yxislessthanyx≤yxislessthanorequaltoy<x<zeroislessthanxislessthan≤x≤zeroislessthanorequaltoxislessthanorequalto|x|modxmodulusxxxsquaredx(raised)tothepowerxxcubedxxtothefourthxtothepowerfourxnxtothenthxtothepowernx−nxtothe(power)minusn√x(square)rootxthesquarerootofx√xcuberoot(of)x√xfourthroot(of)xn√xnthroot(of)x(xy)xplusyallsquared(xy)xoveryallsquaredn!nfactorialxˆxhatx¯xbarx˜xtildexixixsubscriptixsuffixixsubin∑i=aithesumfromiequalsonetonaithesumasirunsfromtonoftheaiLinearalgebra‖x‖thenorm(ormodulus)ofx−−→OAOAvectorOAOAOAthelengthofthesegmentOAATAtransposethetransposeofAA−AinversetheinverseofAFunctionsf(x)fxfofxthefunctionfofxf:S→TafunctionffromStoTx→yxmapstoyxissent(ormapped)toyf′(x)fprimexfdashxthe(first)derivativeoffwithrespecttoxf′′(x)fdouble–primexfdouble–dashxthesecondderivativeoffwithrespecttoxf′′′(x)ftriple–primexftriple–dashxthethirdderivativeoffwithrespecttoxf()(x)ffourxthefourthderivativeoffwithrespecttox∂f∂xthepartial(derivative)offwithrespecttox∂f∂xthesecondpartial(derivative)offwithrespecttox∫∞theintegralfromzerotoinfinitylimx→thelimitasxapproacheszerolimx→thelimitasxapproacheszerofromabovelimx→−thelimitasxapproacheszerofrombelowlogeylogytothebaseelogtothebaseeofynaturallog(of)ylnylogytothebaseelogtothebaseeofynaturallog(of)yIndividualmathematiciansoftenhavetheirownwayofpronouncingmathematicalexpressionsandinmanycasesthereisnogenerallyaccepted“correct”pronunciationDistinctionsmadeinwritingareoftennotmadeexplicitinspeechthusthesoundsfxmaybeinterpretedasanyof:fx,f(x),fx,FX,FX,−−→FXThedifferenceisusuallymadeclearbythecontextitisonlywhenconfusionmayoccur,orwhereheshewishestoemphasisethepoint,thatthemathematicianwillusethelongerforms:fmultipliedbyx,thefunctionfofx,fsubscriptx,lineFX,thelengthofthesegmentFX,vectorFXSimilarly,amathematicianisunlikelytomakeanydistinctioninspeech(exceptsometimesadifferenceinintonationorlengthofpauses)betweenpairssuchasthefollowing:x(yz)and(xy)z√axband√axban−andan−TheprimaryreferencehasbeenDavidHallwithTimBowyer,Nucleus,EnglishforScienceandTechnology,Mathematics,LongmanGlenAndersonandMattiVuorinenhavegivengoodcommentsandsupplements

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数学公式的英语读法

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