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Re: Time for an integration

• To: mathgroup at smc.vnet.net
• Subject: [mg100903] Re: [mg100850] Time for an integration
• From: Porscha Louise McRobbie <pmcrobbi at umich.edu>
• Date: Thu, 18 Jun 2009 04:50:22 -0400 (EDT)
• References: <200906170151.VAA25764@smc.vnet.net>

Hi Lena,

I've often been able to speed up notebooks considerably by simply  
adding  Share[] at the top.

Best,
Porscha

uoting Lena <boo_00_07 at hotmail.com>:

> Hello !
>
> I have an integral to perform 4096 times: it is a 3dimensionnal  
> integral over a matrix of 4096.4096 points.
>
> It takes many hours and I still does not have the result. I made a  
> loop with NIntegrate.
>
> Is it possible that an integration loop in mathematica takes so long  
> ? Is there any ways to improve it ?
>
> Thank you
>
> Lena
>
>
>
>

• References:
  • Time for an integration
    • From: Lena <boo_00_07@hotmail.com>