@property
    def coefficients(self):
        p1, p2 = self.points
        if p1.x == p2.x:
            return (S.One, S.Zero, -p1.x)
        elif p1.y == p2.y:
            return (S.Zero, S.One, -p1.y)
        return tuple([simplify(i) for i in
               (self.p1.y - self.p2.y,
                self.p2.x - self.p1.x,
                self.p1.x*self.p2.y - self.p1.y*self.p2.x)])
Parse an RFC 2822 addr-spec.
dataset/ETHPy150Open sympy/sympy/sympy/geometry/line.py/LinearEntity.coefficients--crossover with--dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/rfc822.py/AddrlistClass.getaddrspec