+++ /dev/null
-c===========================================================================
-c
-c This file is part of TISEAN
-c
-c Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
-c
-c TISEAN is free software; you can redistribute it and/or modify
-c it under the terms of the GNU General Public License as published by
-c the Free Software Foundation; either version 2 of the License, or
-c (at your option) any later version.
-c
-c TISEAN is distributed in the hope that it will be useful,
-c but WITHOUT ANY WARRANTY; without even the implied warranty of
-c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-c GNU General Public License for more details.
-c
-c You should have received a copy of the GNU General Public License
-c along with TISEAN; if not, write to the Free Software
-c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-c
-c===========================================================================
-c utilities for normalisation of time series
-c author T. Schreiber (1998)
-c===========================================================================
- subroutine rms(nmax,x,sc,sd)
-c return mean sc and rms amplitude sd
- dimension x(nmax)
-
- sc=0.
- do 10 n=1,nmax
- 10 sc=sc+x(n)
- sc=sc/nmax
- sd=0.
- do 20 n=1,nmax
- 20 sd=sd+(x(n)-sc)**2
- sd=sqrt(sd/nmax)
- end
-
- subroutine normal(nmax,x,sc,sd)
-c subtract mean, return mean sc and rms amplitude sd
- dimension x(nmax)
-
- call rms(nmax,x,sc,sd)
- do 10 n=1,nmax
- 10 x(n)=x(n)-sc
- end
-
- subroutine normal1(nmax,x,sc,sd)
-c subtract mean, rescale to unit variance,
-c return mean sc and rms amplitude sd
- dimension x(nmax)
-
- call rms(nmax,x,sc,sd)
- if(sd.eq.0.) stop
- . "normal1: zero variance, cannot normalise"
- do 10 n=1,nmax
- 10 x(n)=(x(n)-sc)/sd
- end
-
- subroutine minmax(nmax,x,xmin,xmax)
-c obtain smallest and largest value in x
- dimension x(nmax)
-
- xmin=x(1)
- xmax=x(1)
- do 10 n=2,nmax
- xmin=min(x(n),xmin)
- 10 xmax=max(x(n),xmax)
- end
-