DOC: Example for scipy.sparse.linalg.lsqr
DOC: Example for scipy.sparse.linalg.lsqr

Added an example explaining the return codes of
scipy.sparse.linalg.lsqr to its docstring.

josephcslater/scipy,befelix/scipy,andyfaff/scipy,tylerjereddy/scipy,Stefan-Endres/scipy,rgommers/scipy,WarrenWeckesser/scipy,person142/scipy,zerothi/scipy,jamestwebber/scipy,nmayorov/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,jamestwebber/scipy,endolith/scipy,tylerjereddy/scipy,Eric89GXL/scipy,perimosocordiae/scipy,Eric89GXL/scipy,lhilt/scipy,josephcslater/scipy,befelix/scipy,ilayn/scipy,aeklant/scipy,gertingold/scipy,josephcslater/scipy,gertingold/scipy,befelix/scipy,anntzer/scipy,pbrod/scipy,aeklant/scipy,aarchiba/scipy,rgommers/scipy,jamestwebber/scipy,mdhaber/scipy,endolith/scipy,aarchiba/scipy,aeklant/scipy,aarchiba/scipy,vigna/scipy,perimosocordiae/scipy,andyfaff/scipy,jamestwebber/scipy,grlee77/scipy,pbrod/scipy,vigna/scipy,scipy/scipy,arokem/scipy,andyfaff/scipy,zerothi/scipy,pbrod/scipy,arokem/scipy,befelix/scipy,jjhelmus/scipy,jakevdp/scipy,Stefan-Endres/scipy,zerothi/scipy,nmayorov/scipy,gertingold/scipy,lhilt/scipy,aeklant/scipy,scipy/scipy,gfyoung/scipy,jakevdp/scipy,zerothi/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,endolith/scipy,vigna/scipy,person142/scipy,jakevdp/scipy,Eric89GXL/scipy,jor-/scipy,e-q/scipy,Stefan-Endres/scipy,apbard/scipy,jor-/scipy,endolith/scipy,Eric89GXL/scipy,tylerjereddy/scipy,grlee77/scipy,arokem/scipy,rgommers/scipy,jor-/scipy,pizzathief/scipy,pizzathief/scipy,arokem/scipy,ilayn/scipy,jor-/scipy,Stefan-Endres/scipy,grlee77/scipy,befelix/scipy,pbrod/scipy,jjhelmus/scipy,jakevdp/scipy,jjhelmus/scipy,gfyoung/scipy,apbard/scipy,Stefan-Endres/scipy,endolith/scipy,arokem/scipy,vigna/scipy,aeklant/scipy,apbard/scipy,lhilt/scipy,grlee77/scipy,jjhelmus/scipy,ilayn/scipy,zerothi/scipy,e-q/scipy,pbrod/scipy,gfyoung/scipy,person142/scipy,gertingold/scipy,nmayorov/scipy,pizzathief/scipy,lhilt/scipy,vigna/scipy,pbrod/scipy,scipy/scipy,perimosocordiae/scipy,scipy/scipy,Stefan-Endres/scipy,pizzathief/scipy,e-q/scipy,matthew-brett/scipy,gfyoung/scipy,anntzer/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,zerothi/scipy,andyfaff/scipy,pizzathief/scipy,jor-/scipy,person142/scipy,mdhaber/scipy,e-q/scipy,anntzer/scipy,anntzer/scipy,apbard/scipy,Eric89GXL/scipy,nmayorov/scipy,ilayn/scipy,jamestwebber/scipy,perimosocordiae/scipy,gertingold/scipy,person142/scipy,aarchiba/scipy,nmayorov/scipy,matthew-brett/scipy,WarrenWeckesser/scipy,rgommers/scipy,jakevdp/scipy,e-q/scipy,jjhelmus/scipy,anntzer/scipy,josephcslater/scipy,aarchiba/scipy,tylerjereddy/scipy,ilayn/scipy,grlee77/scipy,scipy/scipy,mdhaber/scipy,ilayn/scipy,anntzer/scipy,apbard/scipy,mdhaber/scipy,matthew-brett/scipy,mdhaber/scipy,gfyoung/scipy,andyfaff/scipy,lhilt/scipy,tylerjereddy/scipy,matthew-brett/scipy,scipy/scipy,Eric89GXL/scipy,andyfaff/scipy,rgommers/scipy,WarrenWeckesser/scipy,endolith/scipy,josephcslater/scipy,mdhaber/scipy