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MathGroup Archive 2005

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Re: Do loop is faulty

  • To: mathgroup at smc.vnet.net
  • Subject: [mg55390] Re: Do loop is faulty
  • From: "dumb_founded" <andreajagger_8 at hotmail.com>
  • Date: Mon, 21 Mar 2005 03:01:57 -0500 (EST)
  • References: <d1jfsj$sa4$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Oops, sorry, I mistyped the code.  It should read:

Array[c,10];
Do[c[i]=NIntegrate[a[i]*x*Sin[b[i]*x],{x,0,b[i]}],{i,1,10}]




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


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