Ejemplo n.º 1
0
    def test_right_jacobians_of_boxminusr(self):
        for i in range(100):
            R1, R2 = SO3.random(), SO3.random()

            theta, Jr1 = R1.boxminusr(R2, Jr1=np.eye(3))
            dR = R2.inv() * R1
            _, Jr1_true = SO3.Log(dR, Jr=np.eye(3))

            _, Jr2 = R1.boxminusr(R2, Jr2=np.eye(3))
            _, Jr2_true = SO3.Log(dR, Jl=np.eye(3))

            np.testing.assert_allclose(Jr1_true, Jr1)
            np.testing.assert_allclose(-Jr2_true, Jr2)
Ejemplo n.º 2
0
    def test_left_jacobian_of_logarithm(self):
        for i in range(100):
            R = SO3.random()
            logR, Jl_inv = SO3.Log(R, Jl=np.eye(3))
            _, Jl = SO3.Exp(logR, Jl=np.eye(3))

            np.testing.assert_allclose(np.linalg.inv(Jl), Jl_inv)
Ejemplo n.º 3
0
    def testLog(self):
        for i in range(100):
            q = Quaternion.random()
            R = SO3.fromQuaternion(q.q)

            w_true = SO3.Log(R)
            w = Quaternion.Log(q)

            np.testing.assert_allclose(w_true, w)