Re: Applying a list of functions to a single number
- To: mathgroup at smc.vnet.net
- Subject: [mg74531] Re: Applying a list of functions to a single number
- From: Peter Pein <petsie at dordos.net>
- Date: Sat, 24 Mar 2007 05:21:47 -0500 (EST)
- References: <eu1peu$eu1$1@smc.vnet.net>
siewsk at bp.com schrieb:
> Applying a list of functions to a single number
> =================================
>
> I have
>
> Square[x_]:=x^2
> Cube[x_]:=x^3
>
> I have tried
>
> In[2]:={Square,Cube} @ 5
>
> Out[2]:= {Square,Cube}[5]
>
> But what I wanted is a list containing
>
> {25,125}
>
> Obviously I'm doing this the wrong way. What is the correct way?
>
>
two of them are:
Cube[x_] = x*(Square[x_] = x^2);
Through[{Square, Cube}[5]]
{25, 125}
#[5]& /@ {Square, Cube}
{25, 125}