Re: substitue expression for function f as argument in mma
- To: mathgroup at smc.vnet.net
- Subject: [mg3647] Re: substitue expression for function f as argument in mma
- From: pecora at zoltar.nrl.navy.mil (Louis M. Pecora)
- Date: Sun, 31 Mar 1996 00:52:16 -0500
- Organization: Naval Research Laboratory
- Sender: owner-wri-mathgroup at wolfram.com
In article <4jd5gg$pmr at dragonfly.wolfram.com>, george at mech.seas.upenn.edu ( George Jefferson ) wrote: > where a mma function takes a function as an argument, > eg: Select[expr,f] > > and "f" is a simple function say > > f[x_] := x < 0 > > is there a way to define the function directly in the > argument list? something like: > > Select[expr, arg < 0] > > of course that doesnt work, but it seems like an issue if figuring > out the syntax.. Sounds like you want to use a pure function (Function[...]). See that topic in the Mathematica Book. -- Louis M. Pecora pecora at zoltar.nrl.navy.mil /* My views and opinions are not those of the U.S. Navy. If you want those, you have to start a war. */ ==== [MESSAGE SEPARATOR] ====