DOC: make curve_fit nomenclature same as leastsq
DOC: make curve_fit nomenclature same as leastsq

The curve_fit help used N for the number of data points and M for the number of parameters, but lasts which has these reversed. Fixes issue #3172
grlee77/scipy,nmayorov/scipy,ChanderG/scipy,hainm/scipy,zxsted/scipy,maniteja123/scipy,futurulus/scipy,behzadnouri/scipy,hainm/scipy,njwilson23/scipy,dominicelse/scipy,person142/scipy,matthewalbani/scipy,petebachant/scipy,kalvdans/scipy,zxsted/scipy,mtrbean/scipy,ogrisel/scipy,newemailjdm/scipy,bkendzior/scipy,jor-/scipy,ndchorley/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,hainm/scipy,aeklant/scipy,pizzathief/scipy,sonnyhu/scipy,pizzathief/scipy,WillieMaddox/scipy,Dapid/scipy,giorgiop/scipy,kleskjr/scipy,pnedunuri/scipy,njwilson23/scipy,vigna/scipy,ogrisel/scipy,mgaitan/scipy,behzadnouri/scipy,sonnyhu/scipy,raoulbq/scipy,ilayn/scipy,zaxliu/scipy,mgaitan/scipy,Stefan-Endres/scipy,fredrikw/scipy,Dapid/scipy,woodscn/scipy,raoulbq/scipy,Kamp9/scipy,mgaitan/scipy,surhudm/scipy,mingwpy/scipy,mikebenfield/scipy,chatcannon/scipy,sonnyhu/scipy,gdooper/scipy,ales-erjavec/scipy,Newman101/scipy,argriffing/scipy,bkendzior/scipy,lukauskas/scipy,zerothi/scipy,e-q/scipy,surhudm/scipy,nvoron23/scipy,ortylp/scipy,nmayorov/scipy,anielsen001/scipy,Shaswat27/scipy,mortonjt/scipy,sauliusl/scipy,befelix/scipy,piyush0609/scipy,vhaasteren/scipy,mikebenfield/scipy,nvoron23/scipy,arokem/scipy,scipy/scipy,andim/scipy,petebachant/scipy,vberaudi/scipy,lhilt/scipy,woodscn/scipy,zxsted/scipy,maniteja123/scipy,lukauskas/scipy,pschella/scipy,maciejkula/scipy,behzadnouri/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,njwilson23/scipy,jsilter/scipy,ndchorley/scipy,chatcannon/scipy,nvoron23/scipy,aman-iitj/scipy,jseabold/scipy,jor-/scipy,woodscn/scipy,larsmans/scipy,efiring/scipy,pyramania/scipy,newemailjdm/scipy,piyush0609/scipy,mtrbean/scipy,Eric89GXL/scipy,mortonjt/scipy,dch312/scipy,argriffing/scipy,ales-erjavec/scipy,vhaasteren/scipy,larsmans/scipy,petebachant/scipy,aarchiba/scipy,gdooper/scipy,maniteja123/scipy,piyush0609/scipy,Newman101/scipy,gef756/scipy,perimosocordiae/scipy,rgommers/scipy,vberaudi/scipy,ilayn/scipy,sriki18/scipy,pschella/scipy,fredrikw/scipy,rmcgibbo/scipy,mortada/scipy,Stefan-Endres/scipy,jakevdp/scipy,anielsen001/scipy,jonycgn/scipy,giorgiop/scipy,nonhermitian/scipy,minhlongdo/scipy,josephcslater/scipy,minhlongdo/scipy,nvoron23/scipy,Srisai85/scipy,jjhelmus/scipy,jor-/scipy,mhogg/scipy,jsilter/scipy,andim/scipy,gef756/scipy,zerothi/scipy,felipebetancur/scipy,felipebetancur/scipy,cpaulik/scipy,cpaulik/scipy,ortylp/scipy,pyramania/scipy,jonycgn/scipy,andyfaff/scipy,zerothi/scipy,minhlongdo/scipy,aeklant/scipy,jjhelmus/scipy,gertingold/scipy,arokem/scipy,anntzer/scipy,raoulbq/scipy,raoulbq/scipy,gef756/scipy,andim/scipy,richardotis/scipy,futurulus/scipy,vhaasteren/scipy,gdooper/scipy,argriffing/scipy,ilayn/scipy,ogrisel/scipy,nvoron23/scipy,dch312/scipy,nmayorov/scipy,argriffing/scipy,tylerjereddy/scipy,trankmichael/scipy,tylerjereddy/scipy,gef756/scipy,gfyoung/scipy,sonnyhu/scipy,witcxc/scipy,pizzathief/scipy,newemailjdm/scipy,ogrisel/scipy,Kamp9/scipy,anntzer/scipy,aarchiba/scipy,cpaulik/scipy,gef756/scipy,richardotis/scipy,rgommers/scipy,ales-erjavec/scipy,matthewalbani/scipy,felipebetancur/scipy,rmcgibbo/scipy,mortada/scipy,matthew-brett/scipy,chatcannon/scipy,maniteja123/scipy,zerothi/scipy,witcxc/scipy,sauliusl/scipy,behzadnouri/scipy,kleskjr/scipy,chatcannon/scipy,kalvdans/scipy,efiring/scipy,vhaasteren/scipy,pnedunuri/scipy,andyfaff/scipy,jonycgn/scipy,piyush0609/scipy,mingwpy/scipy,zerothi/scipy,larsmans/scipy,chatcannon/scipy,vigna/scipy,ales-erjavec/scipy,aarchiba/scipy,ChanderG/scipy,lhilt/scipy,haudren/scipy,WillieMaddox/scipy,Kamp9/scipy,gef756/scipy,ortylp/scipy,kleskjr/scipy,fernand/scipy,lukauskas/scipy,vhaasteren/scipy,piyush0609/scipy,andim/scipy,witcxc/scipy,WillieMaddox/scipy,newemailjdm/scipy,Eric89GXL/scipy,nonhermitian/scipy,grlee77/scipy,dch312/scipy,jseabold/scipy,surhudm/scipy,mgaitan/scipy,ilayn/scipy,niknow/scipy,endolith/scipy,haudren/scipy,Eric89GXL/scipy,jsilter/scipy,cpaulik/scipy,mtrbean/scipy,andyfaff/scipy,endolith/scipy,pbrod/scipy,Srisai85/scipy,woodscn/scipy,minhlongdo/scipy,scipy/scipy,Newman101/scipy,gertingold/scipy,argriffing/scipy,nonhermitian/scipy,mingwpy/scipy,matthewalbani/scipy,rmcgibbo/scipy,dominicelse/scipy,Eric89GXL/scipy,nonhermitian/scipy,niknow/scipy,Srisai85/scipy,fernand/scipy,ndchorley/scipy,bkendzior/scipy,raoulbq/scipy,pschella/scipy,fernand/scipy,tylerjereddy/scipy,maciejkula/scipy,ortylp/scipy,Gillu13/scipy,scipy/scipy,fredrikw/scipy,pbrod/scipy,haudren/scipy,cpaulik/scipy,fernand/scipy,FRidh/scipy,Shaswat27/scipy,bkendzior/scipy,ilayn/scipy,felipebetancur/scipy,Gillu13/scipy,behzadnouri/scipy,sriki18/scipy,mhogg/scipy,befelix/scipy,mhogg/scipy,nmayorov/scipy,jamestwebber/scipy,anntzer/scipy,cpaulik/scipy,niknow/scipy,fredrikw/scipy,aman-iitj/scipy,jakevdp/scipy,sonnyhu/scipy,nonhermitian/scipy,raoulbq/scipy,felipebetancur/scipy,gfyoung/scipy,gfyoung/scipy,jonycgn/scipy,Dapid/scipy,Gillu13/scipy,hainm/scipy,vberaudi/scipy,mikebenfield/scipy,aeklant/scipy,Kamp9/scipy,minhlongdo/scipy,jakevdp/scipy,grlee77/scipy,ChanderG/scipy,tylerjereddy/scipy,matthewalbani/scipy,jor-/scipy,futurulus/scipy,jsilter/scipy,sriki18/scipy,dch312/scipy,mortonjt/scipy,mhogg/scipy,vanpact/scipy,jseabold/scipy,haudren/scipy,pbrod/scipy,jonycgn/scipy,anntzer/scipy,vigna/scipy,apbard/scipy,anielsen001/scipy,ChanderG/scipy,jakevdp/scipy,richardotis/scipy,Dapid/scipy,jseabold/scipy,pschella/scipy,andyfaff/scipy,vhaasteren/scipy,Gillu13/scipy,aeklant/scipy,pbrod/scipy,Shaswat27/scipy,arokem/scipy,pyramania/scipy,jamestwebber/scipy,Kamp9/scipy,vanpact/scipy,perimosocordiae/scipy,aman-iitj/scipy,andim/scipy,mdhaber/scipy,newemailjdm/scipy,ortylp/scipy,surhudm/scipy,richardotis/scipy,vanpact/scipy,rmcgibbo/scipy,vanpact/scipy,matthewalbani/scipy,gertingold/scipy,sauliusl/scipy,josephcslater/scipy,andyfaff/scipy,pbrod/scipy,haudren/scipy,petebachant/scipy,pbrod/scipy,Newman101/scipy,lukauskas/scipy,maciejkula/scipy,woodscn/scipy,fernand/scipy,Stefan-Endres/scipy,mdhaber/scipy,FRidh/scipy,pizzathief/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,sonnyhu/scipy,apbard/scipy,pnedunuri/scipy,lhilt/scipy,jjhelmus/scipy,zxsted/scipy,trankmichael/scipy,futurulus/scipy,befelix/scipy,person142/scipy,mdhaber/scipy,Dapid/scipy,anielsen001/scipy,sauliusl/scipy,mhogg/scipy,maniteja123/scipy,Shaswat27/scipy,WillieMaddox/scipy,endolith/scipy,Eric89GXL/scipy,mgaitan/scipy,andim/scipy,e-q/scipy,person142/scipy,mdhaber/scipy,josephcslater/scipy,WillieMaddox/scipy,matthew-brett/scipy,giorgiop/scipy,mingwpy/scipy,Newman101/scipy,tylerjereddy/scipy,njwilson23/scipy,Shaswat27/scipy,mtrbean/scipy,ales-erjavec/scipy,mortada/scipy,pizzathief/scipy,hainm/scipy,apbard/scipy,FRidh/scipy,surhudm/scipy,vigna/scipy,jor-/scipy,ilayn/scipy,zxsted/scipy,perimosocordiae/scipy,mingwpy/scipy,scipy/scipy,felipebetancur/scipy,Srisai85/scipy,vigna/scipy,Dapid/scipy,nvoron23/scipy,kleskjr/scipy,perimosocordiae/scipy,bkendzior/scipy,mhogg/scipy,mortonjt/scipy,WarrenWeckesser/scipy,lhilt/scipy,arokem/scipy,anntzer/scipy,befelix/scipy,pnedunuri/scipy,witcxc/scipy,WarrenWeckesser/scipy,fernand/scipy,zxsted/scipy,sriki18/scipy,sauliusl/scipy,chatcannon/scipy,gdooper/scipy,efiring/scipy,aarchiba/scipy,anielsen001/scipy,anielsen001/scipy,Newman101/scipy,jamestwebber/scipy,scipy/scipy,jjhelmus/scipy,mortada/scipy,zaxliu/scipy,aman-iitj/scipy,efiring/scipy,gertingold/scipy,lukauskas/scipy,maciejkula/scipy,giorgiop/scipy,jseabold/scipy,grlee77/scipy,rmcgibbo/scipy,zaxliu/scipy,richardotis/scipy,zaxliu/scipy,piyush0609/scipy,e-q/scipy,gfyoung/scipy,Gillu13/scipy,trankmichael/scipy,efiring/scipy,zaxliu/scipy,pnedunuri/scipy,dominicelse/scipy,josephcslater/scipy,grlee77/scipy,ChanderG/scipy,trankmichael/scipy,giorgiop/scipy,gdooper/scipy,zaxliu/scipy,matthew-brett/scipy,surhudm/scipy,zerothi/scipy,WarrenWeckesser/scipy,petebachant/scipy,aman-iitj/scipy,mortonjt/scipy,hainm/scipy,FRidh/scipy,efiring/scipy,jamestwebber/scipy,lhilt/scipy,larsmans/scipy,rgommers/scipy,e-q/scipy,mingwpy/scipy,giorgiop/scipy,jamestwebber/scipy,sriki18/scipy,mdhaber/scipy,mgaitan/scipy,gertingold/scipy,jjhelmus/scipy,trankmichael/scipy,witcxc/scipy,ndchorley/scipy,dominicelse/scipy,niknow/scipy,larsmans/scipy,Kamp9/scipy,Shaswat27/scipy,jsilter/scipy,person142/scipy,pschella/scipy,mikebenfield/scipy,endolith/scipy,sauliusl/scipy,nmayorov/scipy,FRidh/scipy,kleskjr/scipy,pnedunuri/scipy,Srisai85/scipy,person142/scipy,vberaudi/scipy,josephcslater/scipy,maciejkula/scipy,apbard/scipy,perimosocordiae/scipy,Gillu13/scipy,FRidh/scipy,kalvdans/scipy,WillieMaddox/scipy,gfyoung/scipy,Srisai85/scipy,befelix/scipy,aeklant/scipy,jseabold/scipy,sriki18/scipy,mortada/scipy,ndchorley/scipy,apbard/scipy,vanpact/scipy,vanpact/scipy,richardotis/scipy,pyramania/scipy,aman-iitj/scipy,jakevdp/scipy,perimosocordiae/scipy,ChanderG/scipy,njwilson23/scipy,endolith/scipy,haudren/scipy,kalvdans/scipy,minhlongdo/scipy,petebachant/scipy,mikebenfield/scipy,argriffing/scipy,anntzer/scipy,dch312/scipy,lukauskas/scipy,mortada/scipy,ortylp/scipy,vberaudi/scipy,pyramania/scipy,fredrikw/scipy,ndchorley/scipy,woodscn/scipy,aarchiba/scipy,rmcgibbo/scipy,niknow/scipy,fredrikw/scipy,niknow/scipy,dominicelse/scipy,ales-erjavec/scipy,kleskjr/scipy,Stefan-Endres/scipy,mdhaber/scipy,mtrbean/scipy,newemailjdm/scipy,Eric89GXL/scipy,scipy/scipy,mortonjt/scipy,Stefan-Endres/scipy,e-q/scipy,andyfaff/scipy,maniteja123/scipy,larsmans/scipy,futurulus/scipy,futurulus/scipy,trankmichael/scipy,jonycgn/scipy,rgommers/scipy,endolith/scipy,rgommers/scipy,ogrisel/scipy,kalvdans/scipy,behzadnouri/scipy,vberaudi/scipy,njwilson23/scipy,mtrbean/scipy,arokem/scipy