Talk:Poincaré–Lindstedt method

TeX is sophisticated. You don't need to write this:

$x(t)=x_{0}(t)+\varepsilon x_{1}(t)+...\,$

since you can write this:

$x(t)=x_{0}(t)+\varepsilon x_{1}(t)+\cdots \,$

Michael Hardy 20:59, 4 September 2007 (UTC)