Re: Evaluation Control
- To: mathgroup at smc.vnet.net
- Subject: [mg14861] Re: [mg14858] Evaluation Control
- From: steffenz at gauss.fo.fh-koeln.de
- Date: Mon, 23 Nov 1998 10:11:44 -0500
- Sender: owner-wri-mathgroup at wolfram.com
> Date: Fri, 20 Nov 1998 02:17:04 -0500
> From: phantomlord at my-dejanews.com
> To: mathgroup at smc.vnet.net
> Subject: [mg14861] [mg14858] Evaluation Control
> Organization: Deja News - The Leader in Internet Discussion
> I am writing a function which involves manipulation of lists, but have
> stumbled across a problem. It seems as though when I call
> "Print[list[i]]" in a Do[] loop (where i is the iterative variable) it
> returns the following: {0.,.2,.4,.6,.8,1.}[i] i.e. it hasn't referenced
> the one element I require for computation in the rest of the code.
>
> I try to evaluate a function f[x] at x=list[i], which returns:
> Cosh[{0.,.2,.4,.6,.8,1.}[i.]]+....bla bla bla so it seems that it
> interprets i as a decimal and NOT an integer, is this the cause of the
> problem or is there something else I am doing wrong?
>
> Thanks
> Paul
>
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Hi
An Iterator needs doubled brackets like: list[[i]]
bye
Steffen