Dirac Delta Function

[Berko]

Main Question or Discussion Point

Anyone know where I can find a discourse on the dirac delta function in spherical or polar coordinates, in particular why it is the form it is with correction coefficients?

Thank you.

 

[AxiomOfChoice]

https://docs.google.com/viewer?url=http://shoreshshafei.tripod.com/sitebuildercontent/sitebuilderfiles/diracdeltafunction.pdf" looks pretty useful!