Re: What is @@@?

*To*: mathgroup at smc.vnet.net*Subject*: [mg87218] Re: [mg87190] What is @@@?*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Fri, 4 Apr 2008 02:59:25 -0500 (EST)*Reply-to*: hanlonr at cox.net

With the help for Apply (@@) expand out the "MORE INFORMATION" to see the statement: f@@@expr is equivalent to Apply[f,expr,{1}] f @@@ {{x1, x2, x3}, {y1, y2, y3}} {f(x1,x2,x3),f(y1,y2,y3)} Apply[f, {{x1, x2, x3}, {y1, y2, y3}}, {1}] {f(x1,x2,x3),f(y1,y2,y3)} Apply[f, {{x1, x2, x3}, {y1, y2, y3}}, 1] {f(x1,x2,x3),f(y1,y2,y3)} f @@ # & /@ {{x1, x2, x3}, {y1, y2, y3}} {f(x1,x2,x3),f(y1,y2,y3)} Map[f @@ # &, {{x1, x2, x3}, {y1, y2, y3}}] {f(x1,x2,x3),f(y1,y2,y3)} Map[Apply[f, #] &, {{x1, x2, x3}, {y1, y2, y3}}] {f(x1,x2,x3),f(y1,y2,y3)} Bob Hanlon ---- "Kevin J. McCann" <Kevin.McCann at umbc.edu> wrote: > I have seen several references to the command @@@ in this newsgroup, but > a query of the online Documentation Center just refers me to Apply (@@). > What does it do and where can I read about it? > > Thanks > > Kevin > -- > > Kevin J. McCann > Research Associate Professor > JCET/Physics > Physics Building > University of Maryland, Baltimore County > 1000 Hilltop Circle > Baltimore, MD 21250 >