Analytical Dynamics: Theory and ApplicationsIn his great work, Mecanique Analytique (1788) Lagrange used the term "analytical" to mean "non geometrical." Indeed, Lagrange made the following boast: "No diagrams will be found in this work. The methods that I explain in it require neither constructions nor geometrical or mechanical arguments, but only the algebraic operations inherent to a regular and uniform process. Those who love Analysis will, with joy, see mechanics become a new branch of it