edit inv and inverse docstring
edit inv and inverse docstring

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