function alpha = circ_rad2ang(alpha)
% alpha = circ-rad2ang(alpha)
% converts values in radians to values in degree
%
% Circular Statistics Toolbox for Matlab
% By Philipp Berens, 2009
% berens@tuebingen.mpg.de - www.kyb.mpg.de/~berens/circStat.html
alpha = alpha / pi *180;