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Re: [?] apply a function to members of a list


dans l'article 94gs7d$qvp at smc.vnet.net, 9donco à chindonco at iname.com a écrit
le 22/01/2001 9:49 :

> I have a list of arbitrary numbers eg. alist={1, 1.5, 7, 4, 3, 2001}
> and a (user-define) function  f[]
> 
> Is there a quick way/operation to apply f to indiviual
> elements in alist ? say, to produce:
> {f[1], f[1.5], f[7], f[4], f[3], f[2001]}

yes:

alist = {1, 1.5, 7, 4, 3, 2001};
f[x_] := x^2
f /@ alist

Out[7]=
{1, 2.25, 49, 16, 9, 4004001}



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