Re: NFFT

From: darden <darden_at_gamera.niehs.nih.gov>
Date: Tue 30 Oct 2001 13:03:22 -0500 (EST)

Dear Hungie
These values look fine to me. b is close enough to 50 that accuracy will
not be affected. By the way, 54 will work also: 54 = 3*3*3*3*2
Hope this helps
Tom Darden
On Tue, 30 Oct 2001, Hungie Hungie wrote:

> Dear Amber users,
>
> I am running MD of DNA with 40 mers. The box size is
> a = 48.9824358, b = 50.0956195, c = 98.4130370
> and I set NFFT1 = 50, NFFT2 = 50, and NFFT3 = 100.
> The NFFT2 is less than b. Is it wrong and is there any effect?
> I know that NFFT should be product of power of 2, 3 and 5.
> Therefore NFFT2 should be 60 which I think it is too large.
>
> Could anyone tell me what NFFT2 should be set?
>
> Thank you very much in advance.
>
> Hungie
>
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Received on Tue Oct 30 2001 - 10:03:22 PST
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