function blured = blur(in,bl_length,step)%BLUR Multiple vector coordinates.%  Y = BLUR(X,L) multiples a X coords.%%  Y = BLUR(X,L,S) same as above, but the subsequent subset of coords is%  increased by step S. Default value for S is 0. X must be a column%  vector. %%  Example:%       a = [1:3]'%       y1 = blur(x,4)%       y2 = blur(x,4,2)%%  See also CLUSTER, SPAN.%   Copyright 2001-2003 Kamil Anis, anisk@feld.cvut.cz%   Dept. of Radioelectronics, %   Faculty of Electrical Engineering%   Czech Technical University in Prague%   $Revision: 0.1 $  $Date: 2003/1/16 17:33:28 $%   --%   <additional stuff goes here>if exist('step') == 0    step = 0;endl = length(in);n = 1:length(in);series = bl_length * n - bl_length + 1;for i = 0:bl_length - 1  blured(series + i,1) = in + i * step;end