[daip] AIPS: Gridding- Spheroidal functions

[Leonia Kogan]

>AIPS documentation and the most of the books on CLEAN mention the so
>called spheroidal functions used by gridding algorithm. I was unable
>to find the exact mathematical definition of that functions (which are
>used specially for gridding). Can you please shed a light on what
>functions are exactly used?

Dorogoy Vasiya,

You can find the exact mathematical definition of the spheroidal function 
at the AIPS COOK BOOK in the section G.GLOSSARY, page G-17.

Leonid Kogan