Recent content by rrhd

Any method that would enable me to reexpress: $$ \left[x \delta x * x^2 \right] $$ As the variation convolved with something else would work.

A new variational principle is presented in this paper: http://arxiv.org/ftp/arxiv/papers/1112/1112.2286.pdf When trying to derive something like the equation of motion of a Duffing oscillator, I take the following approach: Set up the functional as such: $$...