Re: Function as an argument
- To: mathgroup at smc.vnet.net
- Subject: [mg76725] Re: Function as an argument
- From: Albert <awnl at arcor.net>
- Date: Sat, 26 May 2007 04:39:05 -0400 (EDT)
- References: <f36ddj$71m$1@smc.vnet.net>
dXdYdZdu wrote:
> Hi, I have problem. I want to do something like this:
>
> ss[x_] = 2 + x^3 ;
> MyFunction[expression_] := Module[{}, Return[expression[2]]]
> Calling MyFunction[ss] will produce 10 and this is working case.
>
> but this is what I can not do:
>
> MyFunction[2 + x^3]
>
> Is there a way to make this to work as well?
>
>
If you want to use a function as argument, then use one, like below:
MyFunction[2+#^3&]
Note that there is a difference between a function and an expression.
Look up Function in the help browser to learn more about pure functions...
hth,
albert