Talk:Poincaré-Lindstedt method

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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)