Implement _eval_expand_func() for BesselBase
Implement _eval_expand_func() for BesselBase

abhiii5459/sympy,drufat/sympy,sahilshekhawat/sympy,lindsayad/sympy,sampadsaha5/sympy,asm666/sympy,Designist/sympy,ga7g08/sympy,hrashk/sympy,liangjiaxing/sympy,Mitchkoens/sympy,Titan-C/sympy,lidavidm/sympy,emon10005/sympy,moble/sympy,emon10005/sympy,Gadal/sympy,toolforger/sympy,Sumith1896/sympy,lidavidm/sympy,Arafatk/sympy,rahuldan/sympy,yukoba/sympy,atreyv/sympy,MridulS/sympy,shikil/sympy,saurabhjn76/sympy,aktech/sympy,dqnykamp/sympy,cswiercz/sympy,atsao72/sympy,jaimahajan1997/sympy,pbrady/sympy,postvakje/sympy,atreyv/sympy,kumarkrishna/sympy,ahhda/sympy,toolforger/sympy,yukoba/sympy,mcdaniel67/sympy,ga7g08/sympy,kmacinnis/sympy,iamutkarshtiwari/sympy,jerli/sympy,AkademieOlympia/sympy,farhaanbukhsh/sympy,AunShiLord/sympy,atreyv/sympy,madan96/sympy,yashsharan/sympy,sunny94/temp,Titan-C/sympy,meghana1995/sympy,kevalds51/sympy,Titan-C/sympy,rahuldan/sympy,yukoba/sympy,toolforger/sympy,kaichogami/sympy,abloomston/sympy,abhiii5459/sympy,wyom/sympy,sahmed95/sympy,dqnykamp/sympy,Sumith1896/sympy,postvakje/sympy,oliverlee/sympy,MridulS/sympy,Sumith1896/sympy,MechCoder/sympy,souravsingh/sympy,sampadsaha5/sympy,hargup/sympy,grevutiu-gabriel/sympy,ahhda/sympy,debugger22/sympy,kaushik94/sympy,chaffra/sympy,VaibhavAgarwalVA/sympy,VaibhavAgarwalVA/sympy,sunny94/temp,shipci/sympy,abloomston/sympy,lidavidm/sympy,vipulroxx/sympy,skidzo/sympy,souravsingh/sympy,rahuldan/sympy,mcdaniel67/sympy,aktech/sympy,beni55/sympy,Arafatk/sympy,jaimahajan1997/sympy,pbrady/sympy,wanglongqi/sympy,ga7g08/sympy,grevutiu-gabriel/sympy,hrashk/sympy,asm666/sympy,grevutiu-gabriel/sympy,ChristinaZografou/sympy,maniteja123/sympy,jerli/sympy,vipulroxx/sympy,garvitr/sympy,atsao72/sympy,Mitchkoens/sympy,MechCoder/sympy,lindsayad/sympy,bukzor/sympy,AunShiLord/sympy,yashsharan/sympy,dqnykamp/sympy,madan96/sympy,cccfran/sympy,bukzor/sympy,shipci/sympy,Vishluck/sympy,oliverlee/sympy,cccfran/sympy,meghana1995/sympy,liangjiaxing/sympy,debugger22/sympy,Mitchkoens/sympy,postvakje/sympy,drufat/sympy,MechCoder/sympy,mcdaniel67/sympy,wyom/sympy,Curious72/sympy,mafiya69/sympy,Davidjohnwilson/sympy,Davidjohnwilson/sympy,Gadal/sympy,sahilshekhawat/sympy,Vishluck/sympy,shipci/sympy,Shaswat27/sympy,ChristinaZografou/sympy,skidzo/sympy,vipulroxx/sympy,shikil/sympy,moble/sympy,diofant/diofant,iamutkarshtiwari/sympy,sahmed95/sympy,abhiii5459/sympy,hargup/sympy,AkademieOlympia/sympy,kmacinnis/sympy,kaushik94/sympy,aktech/sympy,Designist/sympy,cccfran/sympy,meghana1995/sympy,Curious72/sympy,skidzo/sympy,jamesblunt/sympy,AunShiLord/sympy,ChristinaZografou/sympy,beni55/sympy,kaichogami/sympy,cswiercz/sympy,chaffra/sympy,Shaswat27/sympy,kmacinnis/sympy,kevalds51/sympy,drufat/sympy,Shaswat27/sympy,oliverlee/sympy,sunny94/temp,shikil/sympy,pandeyadarsh/sympy,sampadsaha5/sympy,jerli/sympy,hargup/sympy,Curious72/sympy,pbrady/sympy,wanglongqi/sympy,kaichogami/sympy,chaffra/sympy,souravsingh/sympy,jaimahajan1997/sympy,asm666/sympy,jbbskinny/sympy,wanglongqi/sympy,Designist/sympy,cswiercz/sympy,sahilshekhawat/sympy,abloomston/sympy,kumarkrishna/sympy,MridulS/sympy,VaibhavAgarwalVA/sympy,kumarkrishna/sympy,garvitr/sympy,Arafatk/sympy,moble/sympy,jbbskinny/sympy,lindsayad/sympy,saurabhjn76/sympy,jamesblunt/sympy,jbbskinny/sympy,maniteja123/sympy,madan96/sympy,Vishluck/sympy,debugger22/sympy,hrashk/sympy,bukzor/sympy,liangjiaxing/sympy,atsao72/sympy,maniteja123/sympy,jamesblunt/sympy,pandeyadarsh/sympy,ahhda/sympy,mafiya69/sympy,sahmed95/sympy,emon10005/sympy,skirpichev/omg,AkademieOlympia/sympy,pandeyadarsh/sympy,kevalds51/sympy,kaushik94/sympy,garvitr/sympy,beni55/sympy,Gadal/sympy,yashsharan/sympy,wyom/sympy,farhaanbukhsh/sympy,saurabhjn76/sympy,iamutkarshtiwari/sympy,Davidjohnwilson/sympy,farhaanbukhsh/sympy,mafiya69/sympy