function radians = deg2rad(degrees)
%deg2rad convert degrees to radians
%
%consumes: degrees
%produces: radians
%
%examples: 
%   >> deg2rad(90)
%   ans = 
%        1.57
%   >>deg2rad(180)
%   ans = 
%        3.14
%   >>
%
%
%Steve Vincent
radians = degrees* pi/180;

return; 
end