数学公式的英文读法

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1、数学公式的英文读法&数学英文词汇1.Logic∃thereexist∀forallp⇒qpimpliesq/ifp,thenqp⇔qpifandonlyifq/pisequivalenttoq/pandqareequivalent2.Setsx∈AxbelongstoA/xisanelement(oramember)ofAx∉AxdoesnotbelongtoA/xisnotanelement(oramember)ofAA⊂BAiscontainedinB/AisasubsetofBA⊃BAcontainsB/BisasubsetofAA∩BAcapB

2、/AmeetB/AintersectionBA∪BAcupB/AjoinB/AunionBABAminusB/thediferencebetweenAandBA×BAcrossB/thecartesianproductofAandB3.Realnumbersx+1xplusonex-1xminusonex±1xplusorminusonexyxy/xmultipliedbyy(x-y)(x+y)xminusy,xplusyxyxovery=theequalssignx=5xequals5/xisequalto5x≠5x(is)notequalto5x

3、≡yxisequivalentto(oridenticalwith)yx≡yxisnotequivalentto(oridenticalwith)yx>yxisgreaterthanyx≥yxisgreaterthanorequaltoyx

4、x

5、modx/modulusxx2xsquared/x(raised)tothe

6、power2x3xcubedx4xtothefourth/xtothepowerfourxnxtothenth/xtothepowernx−nxtothe(power)minusnx(square)rootx/thesquarerootofxx3cuberoot(of)xx4fourthroot(of)xxnnthroot(of)x(x+y)2xplusyallsquared(xy)2xoveryallsquaredn!nfactorialx^xhatx¯xbarx˜xtildexixi/xsubscripti/xsuffixi/xsubi∑i=1na

7、ithesumfromiequalsonetonai/thesumasirunsfrom1tonoftheai4.Linearalgebra‖x‖thenorm(ormodulus)ofxOA→OA/vectorOAOA¯OA/thelengthofthesegmentOAATAtranspose/thetransposeofAA−1Ainverse/theinverseofA5.Functionsf(x)fx/fofx/thefunctionfofxf:S→TafunctionffromStoTx→yxmapstoy/xissent(ormapped

8、)toyf'(x)fprimex/fdashx/the(first)derivativeoffwithrespecttoxf''(x)fdouble-primex/fdouble-dashx/thesecondderivativeoffwithrespecttoxf'''(x)triple-primex/ftriple-dashx/thethirdderivativeoffwithrespecttoxf(4)(x)ffourx/thefourthderivativeoffwithrespecttox∂f∂x1thepartial(derivative)

9、offwithrespecttox1∂2f∂x12thesecondpartial(derivative)offwithrespecttox1∫0∞theintegralfromzerotoinfinitylim⁡x→0thelimitasxapproacheszerolim⁡x→0+thelimitasxapproacheszerofromabovelim⁡x→0−thelimitasxapproacheszerofrombelowlogeylogytothebasee/logtothebaseeofy/naturallog(of)yln⁡ylogy

10、tothebasee/logtothebaseeofy/naturallog(of)y-证明题