Add example showing how to get indices of masked elements
Add example showing how to get indices of masked elements

dhomeier/astropy,dhomeier/astropy,dhomeier/astropy,larrybradley/astropy,DougBurke/astropy,tbabej/astropy,pllim/astropy,StuartLittlefair/astropy,pllim/astropy,larrybradley/astropy,bsipocz/astropy,kelle/astropy,funbaker/astropy,saimn/astropy,saimn/astropy,larrybradley/astropy,lpsinger/astropy,saimn/astropy,lpsinger/astropy,funbaker/astropy,joergdietrich/astropy,AustereCuriosity/astropy,kelle/astropy,tbabej/astropy,kelle/astropy,StuartLittlefair/astropy,joergdietrich/astropy,astropy/astropy,larrybradley/astropy,AustereCuriosity/astropy,pllim/astropy,stargaser/astropy,DougBurke/astropy,tbabej/astropy,lpsinger/astropy,astropy/astropy,astropy/astropy,funbaker/astropy,tbabej/astropy,tbabej/astropy,astropy/astropy,mhvk/astropy,astropy/astropy,saimn/astropy,kelle/astropy,bsipocz/astropy,mhvk/astropy,DougBurke/astropy,MSeifert04/astropy,MSeifert04/astropy,lpsinger/astropy,AustereCuriosity/astropy,bsipocz/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy,joergdietrich/astropy,lpsinger/astropy,kelle/astropy,StuartLittlefair/astropy,pllim/astropy,aleksandr-bakanov/astropy,AustereCuriosity/astropy,pllim/astropy,DougBurke/astropy,aleksandr-bakanov/astropy,MSeifert04/astropy,MSeifert04/astropy,stargaser/astropy,saimn/astropy,dhomeier/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,stargaser/astropy,aleksandr-bakanov/astropy,funbaker/astropy,bsipocz/astropy,joergdietrich/astropy,joergdietrich/astropy,stargaser/astropy,larrybradley/astropy,dhomeier/astropy