DiracSigmaExplicit[exp] inserts in exp for all DiracSigma its definition. DiracSigmaExplict is also an option of DiracSimplify.
See also: DiracSigma.
![[Graphics:Images/index_gr_1.gif]](Images/index_gr_1.gif)
![[Graphics:Images/index_gr_2.gif]](Images/index_gr_2.gif){kind=small}
![[Graphics:Images/index_gr_3.gif]](Images/index_gr_3.gif)
DiracSigma
DiracSimplify![[Graphics:Images/index_gr_4.gif]](Images/index_gr_4.gif){kind=small}