The brachistochrone problem posed by Johann Bernoulli was a new type of mathematical problem which required a new mathematical approach. Lagrange developed the calculus of variations in which he considered suboptimal paths nearby the optimal one. He then showed that, for arbitrary but infinitesimal variations from the optimal path, the function sought must obey a differential equation now known as the Euler-Lagrange equation.
The Euler-Lagrange Theorem
Space Technology Library
18.09.2013
21 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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