Re: help: recursive functions
- To: mathgroup at smc.vnet.net
- Subject: [mg32625] Re: help: recursive functions
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 1 Feb 2002 02:02:26 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <a3aqpd$4cv$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi,
let the recursion terminate with
y[0]=1
y[1]=1
?
*and* never ask for non integer arguments like
Plot[] will do ?
ListPlot[Table[y[n],{n,0,320}]]
??
Regards
Jens
Okke wrote:
>
> Hello,
>
> I'm having some problems with a recursive function.
> Could somebody please help me by telling me how I
> should enter such a function?
>
> tia,
>
> This is what I've done so far:
>
> f[n_]:=Sin[Pi*n*(0.05+(0.0005*n))]
> y[n_]:=1.5*y[n-1]-0.85*y[n-2]+f[n]
>
> I'm trying to Plot[y[n],{n,0,320}] but that gives me
> an error: $RecursionLimit::reclim: Recursion depth of 256 exceeded.
>
> btw, is there an option to fill the area under the sine?
>
> --
> Okke
>
> remove NOSPAM from my email address to reply