Calculus of variations establishes a framework to determine the extrema of functionals—mappings from functions to real numbers—which has been pivotal in elucidating natural principles such as the ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 1, No. 4 (Apr. 15, 1915), pp. 238-241 (4 pages) ...
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 ...
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