Calculus of Variations and Optimal Control - Calculus of variations and optimal control. Optimization.

Springer LINK: Calculus of Variations - Journal with table of contents and article abstracts back to 1995. Full text available to subscribers only.

Brachistochrone Construction - Here one can see a graph of the brachistochrone for the given endpoint. Java applet.

The Roller Coaster or Brachistochrone Problem - This page discusses the derivation of the Brachistochrone problem and the solution or set of solutions.