Does the principal axis have a direction?

Nov 10, 2020 ... The two crystal classes of lowest symmetry are monoclinic and triclinic. In the first, one angle of the unit cell is non-orthogonal, for the ... noun · the line passing through the optical centre and centres of curvature of the faces of a lens or a curved mirror · any of three mutually perpendicular axes ... Apr 19, 2010 ... Every rigid body has a set of orthogonal axes called principle axes about which when rotated the angular momentum vector and the angular velocity vector point ... the distribution, along with the variance along each principal axis. The principal axes and variances describe the orientation and size of the "error ... Oct 16, 2024 ... PAPL-SLAM: Principal Axis-Anchored Monocular Point-Line SLAM. 16 Oct ... We anchor lines with similar directions to a principal axis and ... Lecture Summary. Conventions for Axes. The axis of the highest order rotation is known as the principal axis. By convention ... Feb 22, 2023 ... We introduce a graph construction scheme that constructs the adjacency matrix A using unsupervised and supervised information. Aug 26, 2013 ... I am trying to calculate the principal moment of inertia as well as the principal axis of inertia. If I am given a tensor matrix of the rotational moment of ... A formula is derived for determining the orientation of the arc linking on an auxiliary sphere the axis of inertia and the principal axis of inertia of the ... Mar 19, 2025 ... ... axis lies along the length of the leaf. From the Cambridge English Corpus · principal axis. The principal normal is simply the principal axis ...