DOC: Add docstring examples for rosen functions (#9478)
DOC: Add docstring examples for rosen functions (#9478)

* DOC: Add docstring examples for rosen functions
rgommers/scipy,endolith/scipy,anntzer/scipy,WarrenWeckesser/scipy,andyfaff/scipy,Eric89GXL/scipy,endolith/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,zerothi/scipy,gertingold/scipy,Stefan-Endres/scipy,e-q/scipy,matthew-brett/scipy,pizzathief/scipy,pizzathief/scipy,jor-/scipy,tylerjereddy/scipy,pizzathief/scipy,nmayorov/scipy,jor-/scipy,Eric89GXL/scipy,endolith/scipy,andyfaff/scipy,perimosocordiae/scipy,jor-/scipy,arokem/scipy,perimosocordiae/scipy,anntzer/scipy,person142/scipy,scipy/scipy,jamestwebber/scipy,ilayn/scipy,arokem/scipy,WarrenWeckesser/scipy,mdhaber/scipy,grlee77/scipy,matthew-brett/scipy,perimosocordiae/scipy,mdhaber/scipy,rgommers/scipy,e-q/scipy,lhilt/scipy,jamestwebber/scipy,aarchiba/scipy,aarchiba/scipy,mdhaber/scipy,zerothi/scipy,lhilt/scipy,vigna/scipy,mdhaber/scipy,tylerjereddy/scipy,person142/scipy,aarchiba/scipy,arokem/scipy,scipy/scipy,Eric89GXL/scipy,endolith/scipy,e-q/scipy,aeklant/scipy,ilayn/scipy,person142/scipy,vigna/scipy,tylerjereddy/scipy,perimosocordiae/scipy,aeklant/scipy,aeklant/scipy,endolith/scipy,aarchiba/scipy,pizzathief/scipy,zerothi/scipy,ilayn/scipy,scipy/scipy,WarrenWeckesser/scipy,mdhaber/scipy,endolith/scipy,nmayorov/scipy,anntzer/scipy,jor-/scipy,grlee77/scipy,zerothi/scipy,aarchiba/scipy,Stefan-Endres/scipy,grlee77/scipy,jamestwebber/scipy,matthew-brett/scipy,jor-/scipy,matthew-brett/scipy,e-q/scipy,Stefan-Endres/scipy,grlee77/scipy,andyfaff/scipy,grlee77/scipy,ilayn/scipy,gertingold/scipy,ilayn/scipy,scipy/scipy,nmayorov/scipy,Eric89GXL/scipy,arokem/scipy,tylerjereddy/scipy,gertingold/scipy,andyfaff/scipy,anntzer/scipy,rgommers/scipy,lhilt/scipy,anntzer/scipy,nmayorov/scipy,tylerjereddy/scipy,Stefan-Endres/scipy,rgommers/scipy,scipy/scipy,person142/scipy,lhilt/scipy,WarrenWeckesser/scipy,vigna/scipy,matthew-brett/scipy,nmayorov/scipy,anntzer/scipy,zerothi/scipy,vigna/scipy,scipy/scipy,WarrenWeckesser/scipy,WarrenWeckesser/scipy,lhilt/scipy,aeklant/scipy,gertingold/scipy,gertingold/scipy,perimosocordiae/scipy,zerothi/scipy,jamestwebber/scipy,arokem/scipy,Eric89GXL/scipy,vigna/scipy,rgommers/scipy,ilayn/scipy,e-q/scipy,aeklant/scipy,pizzathief/scipy,person142/scipy,jamestwebber/scipy,Stefan-Endres/scipy,mdhaber/scipy,andyfaff/scipy,Eric89GXL/scipy,andyfaff/scipy