{"product_id":"the-variational-principles-of-mechanics-by-cornelius-lanczos","title":"The Variational Principles of Mechanics by Cornelius Lanczos","description":"Secondhand paperback good condition. Published by Dover Publications, 1986. This graduate-level text presents the variational principles underlying classical mechanics, including the calculus of variations, the principle of least action, and the Lagrangian and Hamiltonian formulations. Lanczos guides readers through the mathematical foundations and physical principles that explain why nature chooses extremal trajectories, offering clear exposition of concepts essential to understanding analytical mechanics and its relationship to modern physics.Subjects: Academic Mathematics, B009-B010, Books, Mathematics, Non Fiction, Vintage Non Fiction","brand":"BOOKS WORTH KEEPING","offers":[{"title":"Default Title","offer_id":43210374021179,"sku":"BWKP-0486650677","price":21.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9266\/3355\/files\/ada2827d38d4e445d998e1b525f63482.jpg?v=1770925133","url":"https:\/\/booksworthkeeping.co.nz\/products\/the-variational-principles-of-mechanics-by-cornelius-lanczos","provider":"Books Worth Keeping ","version":"1.0","type":"link"}