DOC: Improve math typesetting
DOC: Improve math typesetting

numpy/numpy,charris/numpy,charris/numpy,mhvk/numpy,endolith/numpy,mattip/numpy,anntzer/numpy,mhvk/numpy,mhvk/numpy,jakirkham/numpy,anntzer/numpy,endolith/numpy,pdebuyl/numpy,jakirkham/numpy,jakirkham/numpy,mhvk/numpy,charris/numpy,charris/numpy,jakirkham/numpy,pdebuyl/numpy,anntzer/numpy,endolith/numpy,endolith/numpy,numpy/numpy,rgommers/numpy,rgommers/numpy,anntzer/numpy,rgommers/numpy,mattip/numpy,mattip/numpy,pdebuyl/numpy,numpy/numpy,seberg/numpy,pdebuyl/numpy,seberg/numpy,mattip/numpy,seberg/numpy,mhvk/numpy,jakirkham/numpy,seberg/numpy,rgommers/numpy,numpy/numpy