![[Graphics:Images/index_gr_1.gif]](Images/index_gr_1.gif){kind=small}
] can be used as input for a D-dimensional ![[Graphics:Images/index_gr_2.gif]](Images/index_gr_2.gif){kind=small}
and is transformed into DiracGamma[LorentzIndex[![[Graphics:Images/index_gr_3.gif]](Images/index_gr_3.gif){kind=small}
,D],D] by FeynCalcInternal (=FCI).GAD[![[Graphics:Images/index_gr_4.gif]](Images/index_gr_4.gif){kind=small}
] is a short form for GAD[![[Graphics:Images/index_gr_5.gif]](Images/index_gr_5.gif){kind=small}
].GAD[![[Graphics:Images/index_gr_6.gif]](Images/index_gr_6.gif){kind=small}
]. ... .
GAD[] can be used as input for a D-dimensional and is transformed into DiracGamma[LorentzIndex[,D],D] by FeynCalcInternal (=FCI).GAD[] is a short form for GAD[].GAD[]. ... .
See also: DiracMatrix, GA, GS.
![[Graphics:Images/index_gr_7.gif]](Images/index_gr_7.gif)
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| The FeynCalc Book |  GA |  GammaEpsilon |
![[Graphics:Images/index_gr_18.gif]](Images/index_gr_18.gif){kind=small}