function c = spring(m)
%SPRING Shades of magenta and yellow color map.
%   SPRING(M) returns an M-by-3 matrix containing a "spring" colormap.
%   SPRING, by itself, is the same length as the current colormap.
%
%   For example, to reset the colormap of the current figure:
%
%       colormap(spring)
%
%   See also HSV, GRAY, HOT, BONE, COPPER, PINK, FLAG, 
%   COLORMAP, RGBPLOT.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 1.4 $  $Date: 1997/11/21 23:34:07 $

if nargin < 1, m = size(get(gcf,'colormap'),1); end
r = (0:m-1)'/max(m-1,1); 
c = [ones(m,1) r 1-r];
