openalea.phenomenal.calibration.transformations.quaternion_multiply# openalea.phenomenal.calibration.transformations.quaternion_multiply(quaternion1, quaternion0)[source]# Return multiplication of two quaternions. >>> q = quaternion_multiply([4, 1, -2, 3], [8, -5, 6, 7]) >>> numpy.allclose(q, [28, -44, -14, 48]) True
