Re: Re: newbie question on functions

*To*: mathgroup at smc.vnet.net*Subject*: [mg51813] Re: [mg51794] Re: newbie question on functions*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Wed, 3 Nov 2004 01:23:27 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

On 2 Nov 2004, at 16:05, AES/newspost wrote: > In article <cm4r7j$6lm$1 at smc.vnet.net>, > David Bailey <dave at Remove_Thisdbailey.co.uk> wrote: > >> Yes, of course you can save the result of a calculation. For example: >> >> result=intensity[4.,5.] > > > For the original "newbie" poster: > > For newbies, or less expert users like me, it's easy to think that > something like > > AppendTo[list, expr] > > is a "command" that will do what it says: append expr to list. Takes a > few bad experiences to realize that you actually have to say > > list = AppendTo[list,expr] > > Same general principle applies more broadly. > > Actually in this particular case you are wrong. You are confusing AppendTo with simple Append. AppendTo[list, expr] is in fact enough and is equivalent to list=Append[list,expr] Andrzej Kozlowski Chiba, Japan http://www.akikoz.net/~andrzej/ http://www.mimuw.edu.pl/~akoz/