gauss.m

来自「含有多种ICA算法的eeglab工具箱」· M 代码 · 共 33 行

% gauss() - return a smooth Gaussian window
%
% Usage:
%   >> outvector = gauss(frames,sds);
%
% Inputs:
%   frames = window length
%   sds    = number of +/-std. deviations = steepness 
%            (~0+ -> flat; >>10 -> spike)

% $Log: gauss.m,v $
% Revision 1.2  2003/03/16 16:24:22  scott
% header
%
% Revision 1.1  2002/04/05 17:36:45  jorn
% Initial revision
%

function outvec = gauss(frames,sds)

outvec = [];
if nargin < 2
  help gauss
  return
end
if sds <=0 | frames < 1
  help gauss
  return
end

incr = 2*sds/(frames-1);
outvec = exp(-(-sds:incr:sds).^2);