MATLAB: I keep getting a ‘parse error’ at ‘=’

parse error

  • All my equal signs are underligned saying that there's a parse error, can someone help me with this?
function [r,theta] = polar_coordinates(x,y)
r = sqrt ((x^2)+(y^2))
if(x>0)
    theta = arctan(x/y)
end
if (x<0)
    if (y>0)
        theta = arctan(x/y) + pi
        if (y<0)
            theta = arctan(x/y) - pi
            if (y=0)
                theta = pi
            end
        end
    end
end

Best Answer

Test wth "=="
if (y==0)
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