Variational Principles in Physics by Jean-Louis BasdevantEnglish | PDF | 2007 | 191 Pages | ISBN : 0387377476 | 15.89 MB
Optimization under constraints is an essential part of everyday life. Indeed, we routinely solve problems by striking a balance between contradictory interests, individual desires and material contingencies. This notion of equilibrium was dear to thinkers of the enlightenment, as illustrated by Montesquieu’s famous formulation: "In all magistracies, the greatness of the power must be compensated by the brevity of the duration."