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//To compute the angle (direction) in degrees measured anti-clockwise from the positive x-axis about the origin to a point, when the cartesian coordinates (x,y) of a point are known
function [theta]=Compute_Angle(x,y)
if x==0&y==0
theta=atand(y/x);
elseif x==0&y>0
theta=90;
elseif x==0&y<0
theta=270;
elseif x>0&y>=0
theta=atand(y/x);
elseif x<0&y>=0
theta=180-atand(abs(y/x));
elseif x<0&y<0
theta=270-atand(abs(y/x));
elseif x>0&y<0
theta=360-atand(abs(y/x));
end
endfunction
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