Excerpt from An Introduction to the Use of Generalized Coördinates in Mechanics and PhysicsObviously these coordinates must be numerous enough to fix the position without ambiguity and not SO numerous as to render it impossible to change any one at pleasure without changing any Of the others and without violating the restrictions of the problem.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.