Calculus of Variations

Prof. FORSYTH'S latest work appears opportunely at a time when there is quite a notable revival of interest in the calculus of variations. To those who desire an account of the subject which, while modern, sound, and practical, is free from the extreme rigour so popular in certain quarters, this volume will be most welcome.Calculus of Variations.By Dr. A. R. Forsyth. Pp. xxii + 656. (Cambridge: At the University Press 1927). 50s net.