Jacobi's Condition for the Problem of Lagrange in the Calculus of Variations is a book written by David Melville Smith in 1916. The book explores the mathematical concept of the calculus of variations, which is a branch of mathematics that deals with the optimization of functionals. Specifically, the book focuses on the work of Carl Gustav Jacob Jacobi, a German mathematician who made significant contributions to the field of calculus of variations.The...