数学公式的英文读法&数学英文词汇

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1、数学公式的英文读法&数学英文词汇数学公式的英文读法&数学英文词汇1.Logicexiststhereexistforallforallp?qpimpliesq/ifp,thenqp?qpifandonlyifq/pisequivalenttoq/pandqareequivalent2.Setsx∈AxbelongstoA/xisanelement(oramember)ofAx?AxdoesnotbelongtoA/xisnotanelement(oramember)ofAA?BAiscontainedinB/

2、AisasubsetofBA?BAcontainsB/BisasubsetofAA∩BAcapB/AmeetB/AintersectionBA∪BAcupB/AjoinB/AunionBABAminusB/thediferencebetweenAandBA×BAcrossB/thecartesianproductofAandB3.Realnumbersx+1xplusonex-1xminusonex±1xplusorminusonexyxy/xmultipliedbyy(x-y)(x+y)xminusy,xpl

3、usyxyxovery=theequalssignx=5xequals5/xisequalto5x≠5x(is)notequalto5x≡yxisequivalentto(oridenticalwith)yx≡yxisnotequivalentto(oridenticalwith)yx>yxisgreaterthanyx≥yxisgreaterthanorequaltoyx

4、x≤1zeroislessthanorequaltoxislessthanorequalto1

5、x

6、modx/modulusxx2xsquared/x(raised)tothepower2x3xcubedx4xtothefourth/xtothepowerfourxnxtothenth/xtothepowernx?nxtothe(power)minusnx(square)rootx/thesquarerootofxx3cuberoot(of)xx4fourthroot(of)xxnnthroot(of)x(x+y

7、)2xplusyallsquared(xy)2xoveryallsquaredn!nfactorialx^xhatxˉxbarx?xtildexixi/xsubscripti/xsuffixi/xsubi∑i=1naithesumfromiequalsonetonai/thesumasirunsfrom1tonoftheai4.Linearalgebra‖x‖thenorm(ormodulus)ofxOA→OA/vectorOAOAˉOA/thelengthofthesegmentOAATAtranspose/t

8、hetransposeofAA?1Ainverse/theinverseofA5.Functionsf(x)fx/fofx/thefunctionfofxf:S→TafunctionffromStoTx→yxmapstoy/xissent(ormapped)toyf'(x)fprimex/fdashx/the(first)derivativeoffwithrespecttoxf''(x)fdouble-primex/fdouble-dashx/thesecondderivativeoffwithrespectto

9、xf'''(x)triple-primex/ftriple-dashx/thethirdderivativeoffwithrespecttoxf^{(4)}(x)ffourx/thefourthderivativeoffwithrespecttox?f?x_1thepartial(derivative)offwithrespecttox1?^2f?x_1^2thesecondpartial(derivative)offwithrespecttox_1∫_0^∞theintegralfromzerotoinfini

10、tyunderset{xto0}limthelimitasxapproacheszerounderset{xto0+}limthelimitasxapproacheszerofromaboveunderset{xto0-}limthelimitasxapproacheszerofrombelowlog_eylogytothebasee/logtotheb