[gmx-users] Re: Re: Re: autocorrelation function using g_analyze

2009-09-21 Thread Sung Hyun Park
>Mark, > >Thank you for the reply. > >However it is not the definition of the autocorrelation function, isn't it? >Autocorrelation function is generally normalized by , and >eq.(8.9) in the manual can be used to calculate . (please >correct me if I'm wrong) >As I mentioned in my original post, the

[gmx-users] Re: Re: Re: autocorrelation function using g_analyze

2009-09-21 Thread Sung Hyun Park
>Indeed. The key bit of information not explicitly stated in 8.5, but >present in g_analyze -h, is that normalization is on by default. The >correlation function is only dimensionless if it has been normalized >(subtract mean from all data points, divide by standard deviation). A >normalized correl