Re: How to make {f,g}[a,b,c] to become {{f[a],g[a]},{f[b],g[b]},{f[c],g[c]}}

*To*: mathgroup at smc.vnet.net*Subject*: [mg105339] Re: How to make {f,g}[a,b,c] to become {{f[a],g[a]},{f[b],g[b]},{f[c],g[c]}}*From*: Albert Retey <awnl at gmx-topmail.de>*Date*: Sat, 28 Nov 2009 01:08:28 -0500 (EST)*References*: <heoe15$4ph$1@smc.vnet.net>

Lawrence Teo schrieb: > I have a question. How to make {f,g}[a,b,c] to become {{f[a],g[a]},{f > [b],g[b]},{f[c],g[c]}}? > > I want to do {GPD, Population} for all countries. > > Something similar to the following... > {CountryData[#, "GDP"] &, CountryData[#, "Population"] &} /@ > CountryData[] > > It ends up in the form of {f,g}[a,b,c,d,...]. I doubt that, it rather looks like {{f,g}[a],{f,g}[b],...} to me... > I need a way to > 'distribute' the country name into the GDP and Population portion. > Why don't you just do: {CountryData[#, "GDP"], CountryData[#, "Population"]} & /@ CountryData[] in the first place? hth, albert