Re: Do loop is faulty
- To: mathgroup at smc.vnet.net
- Subject: [mg55376] Re: Do loop is faulty
- From: David Bailey <dave at Remove_Thisdbailey.co.uk>
- Date: Mon, 21 Mar 2005 03:01:40 -0500 (EST)
- References: <d1jfsj$sa4$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
dumb_founded wrote:
> I define array a[i] and array b[i] of dimension 10. Then I go through
> the following Do loop, or try to, that is.
>
>
> Array[c,10];
> Do[c[i]=NIntegrate[a[i]*x*Sin[b[i]*x],{x,0,b[i]}]
>
> I get numerous error messages saying that b[i] is not a valid limit of
> integration.
>
> This is sheer headache. I will never try to use Mathematica for
> numerical analysis again.
>
> All your efforts on this matter are sincerely appreciated.
>
>
>
> Thanks
>
Hi,
How about using the correct syntax - b[[i]] to obtain an element of your
array!
David Bailey
dbaileyconsultancy.co.uk