Re: Question: Applying a list of funcs to a list of expressions

*Subject*: [mg2929] Re: Question: Applying a list of funcs to a list of expressions*From*: killough at convex.convex.com (Leland D. Killough)*Date*: 13 Jan 1996 05:14:22 -0600*Approved*: usenet@wri.com*Distribution*: local*Newsgroups*: wri.mathgroup*Organization*: Convex Technology Center of Hewlett Packard, Richardson, Tx USA*Sender*: mj at wri.com

In article <4d20el$ejt at dragonfly.wri.com>, David Rosky <groskyd at gv.ssi1.com> wrote: > >I would like to specify a list of functions such as: > >funcs = {f1, f2, f3} > >and a list of values to which the functions will be >applied: > >vals = {val1, val2, val3} > >I would then like to apply to each function to each corresponding value >respectively to obtain the following list: > >DesiredOutputList = {f1[val1], f2[val2], f3[val3]} > > You can use Inner and HeadCompose to do the trick: listfunc[funcs_,vals_] := Inner[HeadCompose, funcs, vals, List] Which makes List the addition operator, and HeadCompose the multiplication operator. Lee Killough killough at convex.com