Delila Program: swt

swt program

Documentation for the swt program is below, with links to related programs in the "see also" section.

{version = 1.00; (* of swt.p 1998 mar 16}

(* begin module describe.swt *)
(*
name
   swt: switch test for I information computation

synopsis
   swt(swtp: in, list: out, output: out)

files
   list:  multiple line detailed description of file 2, etc

   swtp:  parameters to control the program.  The file must contain the
      following parameters, one per line:

      parameterversion: The version number of the program.  This allows the
         user to be warned if an old parameter file is used.

   output: messages to the user

description

   Test whether Iab+Ibc = Iac+Icb.  The fact that they differ shows that this
method of computing "information" is sensitive to the order of tests, even
though the final results are the same.

examples

swt 1.00
 pa =    0.50000
 pb =    0.40000
 pc =    0.30000

For a->b->c we have:
Iab = sum pb log pb/pa
Ibc = sum pc log pc/pb
iab + ibc =    0.06021 "bits"

For a->c->b we have:
Iac = sum pc log pc/pa
Icb = sum pb log pb/pc
iac + icb =    0.15129 "bits"

documentation

@article{Schneider.edmm,
author = "T. D. Schneider",
title = "Theory of Molecular Machines.
{II. Energy} Dissipation from Molecular Machines",
journal = "J. Theor. Biol.",
volume = "148",
thenumber = "1",
pages = "125-137",
note = "http://www-lecb.ncifcrf.gov/$\sim$toms/paper/edmm/",
year = 1991}

see also

author
   Thomas Dana Schneider

bugs

technical notes

*)
(* end module describe.swt *)
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