# Usage of Schrödinger equation vs Madelung equations

It is well known that Madelung formulation is alternative to the Schrödinger Formulation, cf. this previous Madelung transformation Phys.SE post. I wanted to know what makes Schrödinger's formulation superior to that of Madelung, and in particular, when does the Madelung formulation fail?

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And why do you think there are some superiority? I think they have same relation to Schrodinger as Euler equations to Newtons one. –  m0nhawk Feb 15 '13 at 10:44