A matrician method (method of nodal displacement) allows to obtain directly the stiffness matrix and the center of motion.

Triple-lipped Apollo, I consign Your visitation to the night, When, amid cavernous mislove, your orbs Large with anticipate lust must diminish As, beneath my smothering embrace, The shocks your nine limbs striving to impart Shudder into the gentle heaving of sleeping.

Their ragged curtains poorly are let loose

As the world turns inward, trapped inside in various stages of pandemic quarantine, numerous songwriting luminaries (often blessed with their own in-home studios) have tried to use the downtime creatively—from Millennial stars like Taylor Swift and Ariana Grande to longtime veterans like Bruce Springsteen and Elvis Costello.