Add efficient evaluation of Gegenbauer polynomials for fixed n
Add efficient evaluation of Gegenbauer polynomials for fixed n

yukoba/sympy,wyom/sympy,ga7g08/sympy,debugger22/sympy,cccfran/sympy,dqnykamp/sympy,MridulS/sympy,Sumith1896/sympy,ga7g08/sympy,jaimahajan1997/sympy,cccfran/sympy,MridulS/sympy,sahmed95/sympy,kumarkrishna/sympy,mafiya69/sympy,lidavidm/sympy,maniteja123/sympy,shikil/sympy,debugger22/sympy,Designist/sympy,Sumith1896/sympy,atreyv/sympy,atreyv/sympy,shikil/sympy,sampadsaha5/sympy,madan96/sympy,liangjiaxing/sympy,meghana1995/sympy,chaffra/sympy,Curious72/sympy,garvitr/sympy,Mitchkoens/sympy,yashsharan/sympy,skidzo/sympy,vipulroxx/sympy,wanglongqi/sympy,Titan-C/sympy,abhiii5459/sympy,emon10005/sympy,ChristinaZografou/sympy,MridulS/sympy,vipulroxx/sympy,bukzor/sympy,shikil/sympy,emon10005/sympy,garvitr/sympy,grevutiu-gabriel/sympy,madan96/sympy,kevalds51/sympy,madan96/sympy,jamesblunt/sympy,sunny94/temp,jamesblunt/sympy,mcdaniel67/sympy,AunShiLord/sympy,cswiercz/sympy,toolforger/sympy,flacjacket/sympy,hrashk/sympy,hargup/sympy,vipulroxx/sympy,mafiya69/sympy,sahmed95/sympy,postvakje/sympy,AkademieOlympia/sympy,iamutkarshtiwari/sympy,Shaswat27/sympy,atsao72/sympy,sahilshekhawat/sympy,maniteja123/sympy,AkademieOlympia/sympy,farhaanbukhsh/sympy,asm666/sympy,ChristinaZografou/sympy,Davidjohnwilson/sympy,rahuldan/sympy,ChristinaZografou/sympy,souravsingh/sympy,VaibhavAgarwalVA/sympy,AkademieOlympia/sympy,Sumith1896/sympy,shipci/sympy,garvitr/sympy,bukzor/sympy,maniteja123/sympy,Mitchkoens/sympy,VaibhavAgarwalVA/sympy,wanglongqi/sympy,rahuldan/sympy,sampadsaha5/sympy,MechCoder/sympy,shipci/sympy,meghana1995/sympy,lindsayad/sympy,aktech/sympy,postvakje/sympy,pbrady/sympy,toolforger/sympy,mcdaniel67/sympy,abhiii5459/sympy,mafiya69/sympy,Gadal/sympy,saurabhjn76/sympy,skidzo/sympy,Gadal/sympy,grevutiu-gabriel/sympy,souravsingh/sympy,abloomston/sympy,abloomston/sympy,Designist/sympy,AunShiLord/sympy,beni55/sympy,meghana1995/sympy,pbrady/sympy,kevalds51/sympy,Shaswat27/sympy,cccfran/sympy,kmacinnis/sympy,Curious72/sympy,jerli/sympy,lidavidm/sympy,aktech/sympy,liangjiaxing/sympy,kmacinnis/sympy,atsao72/sympy,kumarkrishna/sympy,bukzor/sympy,beni55/sympy,yukoba/sympy,oliverlee/sympy,oliverlee/sympy,drufat/sympy,souravsingh/sympy,AunShiLord/sympy,Curious72/sympy,yashsharan/sympy,beni55/sympy,farhaanbukhsh/sympy,Titan-C/sympy,VaibhavAgarwalVA/sympy,atsao72/sympy,wyom/sympy,lidavidm/sympy,jaimahajan1997/sympy,aktech/sympy,postvakje/sympy,Gadal/sympy,oliverlee/sympy,sahmed95/sympy,saurabhjn76/sympy,wanglongqi/sympy,ahhda/sympy,hrashk/sympy,emon10005/sympy,kumarkrishna/sympy,kevalds51/sympy,Vishluck/sympy,kaichogami/sympy,dqnykamp/sympy,wyom/sympy,asm666/sympy,sampadsaha5/sympy,saurabhjn76/sympy,jerli/sympy,kaushik94/sympy,ga7g08/sympy,farhaanbukhsh/sympy,pandeyadarsh/sympy,Designist/sympy,kaichogami/sympy,sunny94/temp,Arafatk/sympy,MechCoder/sympy,rahuldan/sympy,jerli/sympy,atreyv/sympy,hrashk/sympy,iamutkarshtiwari/sympy,lindsayad/sympy,pbrady/sympy,amitjamadagni/sympy,jbbskinny/sympy,abhiii5459/sympy,cswiercz/sympy,Shaswat27/sympy,MechCoder/sympy,ahhda/sympy,toolforger/sympy,drufat/sympy,pandeyadarsh/sympy,drufat/sympy,Titan-C/sympy,skirpichev/omg,sunny94/temp,moble/sympy,kmacinnis/sympy,liangjiaxing/sympy,asm666/sympy,Vishluck/sympy,debugger22/sympy,srjoglekar246/sympy,moble/sympy,jbbskinny/sympy,diofant/diofant,hargup/sympy,pandeyadarsh/sympy,yukoba/sympy,mcdaniel67/sympy,ahhda/sympy,Mitchkoens/sympy,jbbskinny/sympy,Arafatk/sympy,abloomston/sympy,Vishluck/sympy,kaushik94/sympy,iamutkarshtiwari/sympy,amitjamadagni/sympy,sahilshekhawat/sympy,lindsayad/sympy,chaffra/sympy,Davidjohnwilson/sympy,dqnykamp/sympy,kaichogami/sympy,jamesblunt/sympy,cswiercz/sympy,skidzo/sympy,sahilshekhawat/sympy,kaushik94/sympy,moble/sympy,chaffra/sympy,grevutiu-gabriel/sympy,shipci/sympy,Davidjohnwilson/sympy,jaimahajan1997/sympy,hargup/sympy,yashsharan/sympy,Arafatk/sympy