Matlab color map

function [ uni_colors ] = unicmap(n)
%UNICMAP Get a matrix of colors
%   unicmap returns a matrix of 9 colors
%   unicmap(n) returns the color with index n. n must be in [1..9].

% uni_hellgrau = [224/255 224/255 224/255];
% uni_mittelgrau = [128/255 128/255 128/255];
% uni_dunkelgrau = [80/255 80/255 80/255];

narginchk(0, 1);

uni_colors = [0 126/255 198/255]; % mittelblau
uni_colors = [uni_colors; 238/255 28/255 35/255]; % rot
uni_colors = [uni_colors; 140/255 198/255 62/255]; % apfelgruen
uni_colors = [uni_colors; 1 221/255 0]; % gelb
uni_colors = [uni_colors; 244/255 111/255 33/255]; % orange
uni_colors = [uni_colors; 237/255 0 140/255]; % pink
uni_colors = [uni_colors; 19/255 31/255 31/255]; % anthrazit
uni_colors = [uni_colors; 0/255 170/255 173/255]; % turquoise
uni_colors = [uni_colors; 128/255 40/255 145/255]; % lila

if nargin == 1
    if (~isscalar(n) || ~isnumeric(n))
        error('First argument must be a numeric scalar.')
    end
    if (n < 1 || n > size(uni_colors, 1))
        error(['First argument mus be postive and less than or equal to '...
            num2str(size(uni_colors, 1))]);
    end
    uni_colors = uni_colors(n,:);
end

end