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


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






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