Re: Giving several functions the same argument
- To: mathgroup at smc.vnet.net
- Subject: [mg109613] Re: Giving several functions the same argument
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Sat, 8 May 2010 07:06:44 -0400 (EDT)
On 5/7/10 at 6:28 AM, Simon.Pearce at nottingham.ac.uk (Simon Pearce)
wrote:
>I have a list of pure functions, which I wish to apply to the same
>argument. I can't seem to be able to thread the list of functions
>over the argument in a simple way, all the commands like Apply and
>Map etc take a single function. I can do it using Table and Part,
>but it seemed like there should be a simple command that I'm
>missing.
>For example:
>In[1]:= functs = {Sin[#1] &, Cos[#1] &};
>In[2]:= functs[x]
>Out[2]= {Sin[#1] &, Cos[#1] &}[x]
>I want to get the result {Sin[x],Cos[x]} out,
Use Map, i.e.
In[4]:= #[x]&/@ functs
Out[4]= {Sin[x], Cos[x]}