/usr/share/freemat/toolbox/graph/gray.m is in freemat-data 4.0-5build1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | % GRAY GRAY Gray Colormap
%
% Usage
%
% Returns a gray colormap. The syntax for its use is
%
% y = gray
%
% Copyright (c) 2002-2006 Samit Basu
% Licensed under the GPL
function map = gray(m)
r = linspace(0,1,256)';
map = [r,r,r];
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