+++ /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 space time separation plot
-c see H. Kantz, T. Schreiber, Nonlinear Time Series Analysis, Cambridge
-c University Press (1997,2004)
-c author T. Schreiber (1998) based on earlier version
-c==========================================================================
- parameter(nx=1000000,mdt=500,mfrac=100)
- dimension x(nx), stp(mfrac,mdt)
- character*72 file, fout
- data idt/1/, perc/0.05/, ndt/100/
- data iverb/1/
-
- call whatido("space-time separation plot",iverb)
- id=imust("d")
- m=imust("m")
- idt=ican("#",idt)
- ndt=min(ican("t",ndt),mdt)
- perc=fcan("%",perc)
- nfrac=min(mfrac,int(1/perc))
- perc=1./real(nfrac)
- nmax=ican("l",nx)
- nexcl=ican("x",0)
- jcol=ican("c",0)
- isout=igetout(fout,iverb)
- if(iv_io(iverb).eq.1) write(istderr(),*) "computing ", nfrac,
- . " levels at fractions ", perc, 2*perc, "..."
-
- call nthstring(1,file)
- call readfile(nmax,x,nexcl,jcol,file,iverb)
- call minmax(nmax,x,xmin,xmax)
- call stplot(nmax,x,id,m,xmax-xmin,stp,nfrac,ndt,idt)
- if(isout.eq.1) call addsuff(fout,file,"_stp")
- call outfile(fout,iunit,iverb)
- do 10 iper=1,mfrac
- do 20 it=1,ndt
- 20 write(iunit,*) it*idt, stp(iper,it)
- 10 write(iunit,'()')
- end
-
- subroutine usage()
-c usage message
-
- call whatineed(
- . " -d# -m# [-## -t# -%# -o outfile -l# -x# -c# -V# -h] file")
- call popt("d","delay")
- call popt("m","embedding dimension")
- call popt("#","time resolution (1)")
- call popt("t","time steps (100, <500)")
- call popt("%","fraction at wich to create levels (0.05, >0.01)")
- call popt("l","number of values to be read (all)")
- call popt("x","number of values to be skipped (0)")
- call popt("c","column to be read (1 or file,#)")
- call pout("file_stp")
- call pall()
- stop
- end
-
- subroutine stplot(nmax,y,id,m,epsmax,stp,nfrac,mdt,idt)
- parameter(meps=1000,mfrac=100)
- dimension y(nmax),stp(mfrac,mdt),ihist(meps)
-
- do 10 it=1,mdt
- do 20 ieps=1,meps
- 20 ihist(ieps)=0
- do 30 n=it*idt+(m-1)*id+1,nmax
- dis=0 ! compute distance in m dimensions
- do 40 me=0,m-1
- 40 dis=max(dis,abs(y(n-me*id)-y(n-me*id-it*idt)))
- ih=min(int(meps*dis/epsmax)+1,meps)
- 30 ihist(ih)=ihist(ih)+1
- do 10 ifrac=1,nfrac
- need=(nmax-it*idt-(m-1)*id)*ifrac/real(nfrac)
- is=0
- do 50 ieps=1,meps
- is=is+ihist(ieps)
- 50 if(is.ge.need) goto 1
- 1 stp(ifrac,it)=ieps*epsmax/meps
- 10 continue
- end
-
-
-
-
-