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- def externo(self, outro_vetor):
- x1 = self.x
- y1 = self.y
- z1 = self.z
- x2 = outro_vetor.x
- y2 = outro_vetor.y
- z2 = outro_vetor.z
- #Funciona neste caso, TODO perguntar caso geral
- #matriz = [[x1,y1,z1],
- # [x2,y2,z2]]
- x = y1*z2 - z1*y2
- y = x1*z2 - z1*x2
- z = x1*y2 - y1*x2
- return Vetor3D(x,y,z)
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