DOC: fix latex markup in the fftpack tutorial
DOC: fix latex markup in the fftpack tutorial

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