What is a paraxial ray and how is it related to the principal axis?

Analyzing ground ozone formation regimes using a principal axis factoring method: A case study of Kladno (Czech Republic) industrial area. Atmósfera [online] ... Mar 10, 2015 ... ... Principal Axis Of The Christian Religion ... Thus, we might translate the phrase “special axis,” “particular axis,” or better “principal axis. We applied principal component and principal axis factoring methods for factor extraction and varimax, equamax, and quartimax factor rotation techniques to ... Regardless of whether you are using a principal components or a principal axis factor extraction, however, there is a very large first factor in ... 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 ... Feb 28, 2018 ... One way to say it: you do not need to apply any external torque to keep an object rotating about a principal axis. principal axis · noun · Browse Nearby Words · Cite this Entry · Share · More from Merriam-Webster · Popular in Grammar & Usage · Popular in Wordplay · Popular. These basis vectors are known as the principal axes (or directions) and the non-zero tensor components as the principal values. To create a datum axis along a principal axis: From the main menu bar, select Tools Datum. The Create Datum dialog box appears. Aug 3, 2018 ... I want to get Area Principal Moments of Inertia about Centroid and Principal Axes of a surface and the direction of the principal axes in Grasshopper.