Fix curve_fit so that it can take an arbitrary number of predictor variables --- i.e. xdata can be k,N
Fix curve_fit so that it can take an arbitrary number of predictor variables --- i.e. xdata can be k,N

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