Re: How to extract functions from a list and call them with any argument?

*To*: mathgroup at smc.vnet.net*Subject*: [mg65943] Re: How to extract functions from a list and call them with any argument?*From*: Bill Rowe <readnewsciv at earthlink.net>*Date*: Mon, 24 Apr 2006 06:01:54 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

On 4/23/06 at 6:17 AM, dmp55 at sympatico.ca wrote: >I have a list of functions, i.e., >funclist = {Sin[x], x^3, Cos[x]^2}. >I can extract each of the functions, like >In[1]:=funclist[[1]] Out[1]=Sin[x] >, but I don't know how to call these functions with a general >argument. If I type >In[2]:=funclist[t][[1]] >, I get >Out[2]=t >instead of Sin[t] (or t^3 or Cos[t]^2) >What I would like is to extract a function from the list and to call >it with any argument, as it was defined in a standard way: >f[x_]:=Sin[x]. One way to do what you want would be to use pure functions when you set up funclist, i.e., funclist = {Sin@# &, #^3 &, Cos[#]^2 &}; then you can do In[2]:= funclist[[1]][x] Out[2]= Sin[x] -- To reply via email subtract one hundred and four