Replace recursive algorithm with iterative algorithm
Replace recursive algorithm with iterative algorithm

pizzathief/scipy,fernand/scipy,Srisai85/scipy,vigna/scipy,perimosocordiae/scipy,gef756/scipy,aman-iitj/scipy,fredrikw/scipy,Kamp9/scipy,behzadnouri/scipy,Gillu13/scipy,jamestwebber/scipy,WarrenWeckesser/scipy,FRidh/scipy,jakevdp/scipy,vanpact/scipy,andyfaff/scipy,apbard/scipy,andim/scipy,WarrenWeckesser/scipy,surhudm/scipy,pyramania/scipy,andim/scipy,ales-erjavec/scipy,Shaswat27/scipy,felipebetancur/scipy,pyramania/scipy,Gillu13/scipy,FRidh/scipy,mingwpy/scipy,ndchorley/scipy,sriki18/scipy,sauliusl/scipy,ortylp/scipy,aman-iitj/scipy,ortylp/scipy,andim/scipy,argriffing/scipy,e-q/scipy,piyush0609/scipy,vberaudi/scipy,gfyoung/scipy,rmcgibbo/scipy,vigna/scipy,josephcslater/scipy,woodscn/scipy,trankmichael/scipy,piyush0609/scipy,argriffing/scipy,endolith/scipy,josephcslater/scipy,zerothi/scipy,jonycgn/scipy,FRidh/scipy,chatcannon/scipy,Kamp9/scipy,nonhermitian/scipy,anielsen001/scipy,efiring/scipy,larsmans/scipy,Newman101/scipy,pnedunuri/scipy,WarrenWeckesser/scipy,gdooper/scipy,niknow/scipy,larsmans/scipy,jor-/scipy,juliantaylor/scipy,lhilt/scipy,Stefan-Endres/scipy,Srisai85/scipy,behzadnouri/scipy,nmayorov/scipy,endolith/scipy,petebachant/scipy,lukauskas/scipy,kleskjr/scipy,Shaswat27/scipy,scipy/scipy,behzadnouri/scipy,zxsted/scipy,Newman101/scipy,newemailjdm/scipy,felipebetancur/scipy,kleskjr/scipy,FRidh/scipy,mtrbean/scipy,ortylp/scipy,ortylp/scipy,Srisai85/scipy,woodscn/scipy,jsilter/scipy,hainm/scipy,Newman101/scipy,mgaitan/scipy,mikebenfield/scipy,gfyoung/scipy,jor-/scipy,Dapid/scipy,ogrisel/scipy,mikebenfield/scipy,kleskjr/scipy,e-q/scipy,Kamp9/scipy,richardotis/scipy,nmayorov/scipy,anntzer/scipy,anntzer/scipy,rgommers/scipy,pbrod/scipy,zerothi/scipy,maciejkula/scipy,mhogg/scipy,rgommers/scipy,kleskjr/scipy,mortada/scipy,Dapid/scipy,andim/scipy,vanpact/scipy,apbard/scipy,pbrod/scipy,trankmichael/scipy,dch312/scipy,jakevdp/scipy,zaxliu/scipy,hainm/scipy,befelix/scipy,tylerjereddy/scipy,FRidh/scipy,piyush0609/scipy,jonycgn/scipy,sargas/scipy,pbrod/scipy,matthew-brett/scipy,felipebetancur/scipy,Eric89GXL/scipy,gertingold/scipy,zxsted/scipy,jsilter/scipy,woodscn/scipy,raoulbq/scipy,ChanderG/scipy,aeklant/scipy,futurulus/scipy,jseabold/scipy,perimosocordiae/scipy,maniteja123/scipy,perimosocordiae/scipy,maniteja123/scipy,mgaitan/scipy,cpaulik/scipy,mingwpy/scipy,gfyoung/scipy,niknow/scipy,dch312/scipy,lukauskas/scipy,sauliusl/scipy,jsilter/scipy,haudren/scipy,pnedunuri/scipy,jonycgn/scipy,ogrisel/scipy,mtrbean/scipy,person142/scipy,jakevdp/scipy,Stefan-Endres/scipy,haudren/scipy,gfyoung/scipy,mortada/scipy,argriffing/scipy,jseabold/scipy,pyramania/scipy,WarrenWeckesser/scipy,Newman101/scipy,Eric89GXL/scipy,anntzer/scipy,fredrikw/scipy,person142/scipy,maciejkula/scipy,Stefan-Endres/scipy,sriki18/scipy,sriki18/scipy,Srisai85/scipy,ales-erjavec/scipy,haudren/scipy,josephcslater/scipy,bkendzior/scipy,mingwpy/scipy,larsmans/scipy,ndchorley/scipy,surhudm/scipy,pizzathief/scipy,Newman101/scipy,aarchiba/scipy,niknow/scipy,sriki18/scipy,jor-/scipy,jor-/scipy,fernand/scipy,zaxliu/scipy,argriffing/scipy,raoulbq/scipy,perimosocordiae/scipy,endolith/scipy,matthewalbani/scipy,jseabold/scipy,jakevdp/scipy,zerothi/scipy,sonnyhu/scipy,sonnyhu/scipy,richardotis/scipy,scipy/scipy,jamestwebber/scipy,pnedunuri/scipy,maciejkula/scipy,trankmichael/scipy,lukauskas/scipy,woodscn/scipy,josephcslater/scipy,vhaasteren/scipy,futurulus/scipy,mdhaber/scipy,nonhermitian/scipy,apbard/scipy,nonhermitian/scipy,jjhelmus/scipy,anielsen001/scipy,endolith/scipy,jakevdp/scipy,ChanderG/scipy,gdooper/scipy,mhogg/scipy,fredrikw/scipy,sauliusl/scipy,vigna/scipy,fernand/scipy,endolith/scipy,mhogg/scipy,aarchiba/scipy,matthewalbani/scipy,anntzer/scipy,mdhaber/scipy,chatcannon/scipy,zerothi/scipy,e-q/scipy,pbrod/scipy,newemailjdm/scipy,njwilson23/scipy,ndchorley/scipy,Kamp9/scipy,Eric89GXL/scipy,pyramania/scipy,arokem/scipy,njwilson23/scipy,jonycgn/scipy,gef756/scipy,felipebetancur/scipy,pnedunuri/scipy,haudren/scipy,newemailjdm/scipy,nmayorov/scipy,njwilson23/scipy,Srisai85/scipy,lhilt/scipy,juliantaylor/scipy,pnedunuri/scipy,larsmans/scipy,sargas/scipy,sauliusl/scipy,matthew-brett/scipy,scipy/scipy,efiring/scipy,Kamp9/scipy,jjhelmus/scipy,niknow/scipy,futurulus/scipy,zxsted/scipy,argriffing/scipy,mtrbean/scipy,juliantaylor/scipy,trankmichael/scipy,chatcannon/scipy,dominicelse/scipy,richardotis/scipy,gertingold/scipy,rgommers/scipy,befelix/scipy,anielsen001/scipy,efiring/scipy,e-q/scipy,ChanderG/scipy,WillieMaddox/scipy,ilayn/scipy,kalvdans/scipy,arokem/scipy,jsilter/scipy,newemailjdm/scipy,josephcslater/scipy,hainm/scipy,lhilt/scipy,nvoron23/scipy,Srisai85/scipy,vanpact/scipy,vberaudi/scipy,andyfaff/scipy,vberaudi/scipy,aman-iitj/scipy,minhlongdo/scipy,grlee77/scipy,gef756/scipy,futurulus/scipy,dominicelse/scipy,ogrisel/scipy,zxsted/scipy,zxsted/scipy,piyush0609/scipy,gef756/scipy,rgommers/scipy,futurulus/scipy,ilayn/scipy,befelix/scipy,aeklant/scipy,jseabold/scipy,befelix/scipy,richardotis/scipy,ogrisel/scipy,person142/scipy,jor-/scipy,woodscn/scipy,ilayn/scipy,matthewalbani/scipy,Gillu13/scipy,ogrisel/scipy,anntzer/scipy,piyush0609/scipy,mortonjt/scipy,mikebenfield/scipy,raoulbq/scipy,sauliusl/scipy,grlee77/scipy,cpaulik/scipy,jamestwebber/scipy,futurulus/scipy,hainm/scipy,andyfaff/scipy,witcxc/scipy,trankmichael/scipy,andyfaff/scipy,witcxc/scipy,aman-iitj/scipy,pschella/scipy,zxsted/scipy,vhaasteren/scipy,e-q/scipy,pschella/scipy,Eric89GXL/scipy,aeklant/scipy,zaxliu/scipy,mhogg/scipy,juliantaylor/scipy,njwilson23/scipy,chatcannon/scipy,dch312/scipy,sauliusl/scipy,jonycgn/scipy,person142/scipy,vanpact/scipy,petebachant/scipy,ales-erjavec/scipy,arokem/scipy,jjhelmus/scipy,mdhaber/scipy,minhlongdo/scipy,larsmans/scipy,Shaswat27/scipy,trankmichael/scipy,richardotis/scipy,ndchorley/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,ChanderG/scipy,sargas/scipy,andyfaff/scipy,aeklant/scipy,jonycgn/scipy,WarrenWeckesser/scipy,scipy/scipy,sonnyhu/scipy,vhaasteren/scipy,arokem/scipy,mortada/scipy,kalvdans/scipy,jamestwebber/scipy,pschella/scipy,fernand/scipy,behzadnouri/scipy,apbard/scipy,mgaitan/scipy,haudren/scipy,ortylp/scipy,niknow/scipy,mortada/scipy,nvoron23/scipy,Dapid/scipy,Eric89GXL/scipy,bkendzior/scipy,vberaudi/scipy,giorgiop/scipy,gertingold/scipy,petebachant/scipy,mgaitan/scipy,anielsen001/scipy,sargas/scipy,aeklant/scipy,nmayorov/scipy,matthew-brett/scipy,rmcgibbo/scipy,anielsen001/scipy,petebachant/scipy,giorgiop/scipy,mhogg/scipy,sonnyhu/scipy,rmcgibbo/scipy,dominicelse/scipy,pbrod/scipy,cpaulik/scipy,mortonjt/scipy,pizzathief/scipy,mdhaber/scipy,mdhaber/scipy,jseabold/scipy,kalvdans/scipy,kleskjr/scipy,ChanderG/scipy,efiring/scipy,mortonjt/scipy,grlee77/scipy,lukauskas/scipy,haudren/scipy,mingwpy/scipy,vanpact/scipy,gertingold/scipy,petebachant/scipy,cpaulik/scipy,gef756/scipy,mhogg/scipy,vanpact/scipy,Newman101/scipy,ortylp/scipy,woodscn/scipy,cpaulik/scipy,aman-iitj/scipy,jsilter/scipy,nvoron23/scipy,Shaswat27/scipy,dch312/scipy,vberaudi/scipy,zaxliu/scipy,aman-iitj/scipy,giorgiop/scipy,aarchiba/scipy,ales-erjavec/scipy,cpaulik/scipy,vhaasteren/scipy,tylerjereddy/scipy,befelix/scipy,pizzathief/scipy,Dapid/scipy,zerothi/scipy,piyush0609/scipy,apbard/scipy,Stefan-Endres/scipy,minhlongdo/scipy,mortonjt/scipy,gdooper/scipy,WillieMaddox/scipy,ndchorley/scipy,fredrikw/scipy,scipy/scipy,matthew-brett/scipy,Gillu13/scipy,witcxc/scipy,mingwpy/scipy,pschella/scipy,fernand/scipy,fernand/scipy,raoulbq/scipy,nvoron23/scipy,fredrikw/scipy,WillieMaddox/scipy,lhilt/scipy,jseabold/scipy,minhlongdo/scipy,jjhelmus/scipy,tylerjereddy/scipy,mtrbean/scipy,giorgiop/scipy,nmayorov/scipy,pyramania/scipy,perimosocordiae/scipy,jamestwebber/scipy,rmcgibbo/scipy,gdooper/scipy,rmcgibbo/scipy,zaxliu/scipy,hainm/scipy,grlee77/scipy,sonnyhu/scipy,person142/scipy,vigna/scipy,andim/scipy,lukauskas/scipy,WillieMaddox/scipy,vhaasteren/scipy,Kamp9/scipy,dominicelse/scipy,WillieMaddox/scipy,zerothi/scipy,richardotis/scipy,petebachant/scipy,witcxc/scipy,felipebetancur/scipy,surhudm/scipy,zaxliu/scipy,Shaswat27/scipy,Shaswat27/scipy,argriffing/scipy,gertingold/scipy,surhudm/scipy,newemailjdm/scipy,nvoron23/scipy,surhudm/scipy,chatcannon/scipy,matthewalbani/scipy,bkendzior/scipy,kleskjr/scipy,pizzathief/scipy,vberaudi/scipy,mtrbean/scipy,ales-erjavec/scipy,newemailjdm/scipy,fredrikw/scipy,tylerjereddy/scipy,efiring/scipy,pschella/scipy,nonhermitian/scipy,mikebenfield/scipy,arokem/scipy,dch312/scipy,WillieMaddox/scipy,scipy/scipy,aarchiba/scipy,matthew-brett/scipy,Dapid/scipy,felipebetancur/scipy,minhlongdo/scipy,giorgiop/scipy,Dapid/scipy,nvoron23/scipy,njwilson23/scipy,sriki18/scipy,bkendzior/scipy,bkendzior/scipy,mikebenfield/scipy,anielsen001/scipy,pnedunuri/scipy,mgaitan/scipy,andyfaff/scipy,Eric89GXL/scipy,ChanderG/scipy,grlee77/scipy,juliantaylor/scipy,mortada/scipy,vhaasteren/scipy,matthewalbani/scipy,Gillu13/scipy,ilayn/scipy,mortada/scipy,maniteja123/scipy,sargas/scipy,ndchorley/scipy,aarchiba/scipy,maniteja123/scipy,behzadnouri/scipy,larsmans/scipy,tylerjereddy/scipy,raoulbq/scipy,gef756/scipy,endolith/scipy,minhlongdo/scipy,raoulbq/scipy,efiring/scipy,ilayn/scipy,perimosocordiae/scipy,sriki18/scipy,mdhaber/scipy,vigna/scipy,behzadnouri/scipy,gfyoung/scipy,hainm/scipy,sonnyhu/scipy,gdooper/scipy,Gillu13/scipy,niknow/scipy,FRidh/scipy,anntzer/scipy,mortonjt/scipy,maniteja123/scipy,dominicelse/scipy,maciejkula/scipy,surhudm/scipy,mgaitan/scipy,kalvdans/scipy,rgommers/scipy,nonhermitian/scipy,lukauskas/scipy,maciejkula/scipy,rmcgibbo/scipy,mtrbean/scipy,andim/scipy,ilayn/scipy,mortonjt/scipy,witcxc/scipy,chatcannon/scipy,maniteja123/scipy,njwilson23/scipy,kalvdans/scipy,ales-erjavec/scipy,giorgiop/scipy,mingwpy/scipy,pbrod/scipy,Stefan-Endres/scipy,jjhelmus/scipy,lhilt/scipy