Re: Fuction definition
- To: mathgroup at smc.vnet.net
- Subject: [mg73683] Re: [mg73635] Fuction definition
- From: János <janos.lobb at yale.edu>
- Date: Sat, 24 Feb 2007 02:24:41 -0500 (EST)
- References: <200702230942.EAA17911@smc.vnet.net>
On Feb 23, 2007, at 4:42 AM, bar at ANTYSPAM.ap.krakow.pl wrote: > Hi > > When I try : > ------------------ > p = 1; > f1[x_] := p Sin[Pi x]; > p = 2; > f2[x_] := p Sin[Pi x]; > > f1[0.5] > f2[0.5] > > Out[26]=2. > > Out[27]=2. > ----------------- > When I use = instead of := it works OK. > Why ? > > It is safely to use "=" in function definition ? > > I have to integrate and differentiate such function in the future. > In my case function depends on about 20 parameters, which are > calculated > three times, (I want to obtain three functions) > > I'm not sure is this good idea to use '=' ? > > Regards , Olaf > > As a newbie I guess that: := says to the function: "My dear, do not worry, I will kiss you = after we walk out when the dance is called" = says to the function: "My dear, do not worry, I kiss you right now, and we walk out when the dance is called" J=E1nos ------------------------------------------ "The shortest route between two points is the middleman" Ayn Rand
- References:
- Fuction definition
- From: bar@ANTYSPAM.ap.krakow.pl
- Fuction definition