X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fdeprecated%2Fautocor.m;fp=octave_packages%2Fm%2Fdeprecated%2Fautocor.m;h=f4aefcf165480197255a709f772e52d1c6efab9d;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278

diff --git a/octave_packages/m/deprecated/autocor.m b/octave_packages/m/deprecated/autocor.m
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+## Copyright (C) 1995-2012 Friedrich Leisch
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} autocor (@var{x}, @var{h})
+## Return the autocorrelations from lag 0 to @var{h} of vector @var{x}.
+## If @var{h} is omitted, all autocorrelations are computed.
+## If @var{x} is a matrix, the autocorrelations of each column are
+## computed.
+## The particular algorithm used is from the field of statistics and
+## differs from the definition used in signal processing.
+## @end deftypefn
+
+## Author: FL <Friedrich.Leisch@ci.tuwien.ac.at>
+## Description: Compute autocorrelations
+
+## Deprecated in version 3.4
+
+function retval = autocor (X, h)
+
+  persistent warned = false;
+  if (! warned)
+    warned = true;
+    warning ("Octave:deprecated-function",
+             "autocor is obsolete and will be removed from a future version of Octave; See the Octave-Forge signal package and the function xcor for a replacement");
+  endif
+
+
+  if (nargin == 1)
+    retval = autocov (X);
+  elseif (nargin == 2)
+    retval = autocov (X, h);
+  else
+    print_usage ();
+  endif
+
+  if (min (retval (1,:)) != 0)
+    retval = retval ./ (ones (rows (retval), 1) * retval(1,:));
+  endif
+
+endfunction
+
+
+