Talk:Maupertuis's principle

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Reduced action[edit]

Hi Willow,

This may drive you nuts, but take a look at the "energy of a curve" in the article metric tensor. linas 01:40, 19 July 2006 (UTC)[reply]

Leibniz's Priority[edit]

"The present scholarly consensus seems to be that the quotations from Leibniz are indeed genuine". Without a reference this is worthless babble.

Mass Tensor[edit]

This article refers to "The Mass Tensor" which is not defined anywhere. Please can we have a definition? CosmoPeter (talk) 09:11, 24 March 2013 (UTC) — Preceding unsigned comment added by CosmoPeter (talk • contribs) 08:43, 24 March 2013 (UTC)[reply]

Input?[edit]

Is "input" a well established term? Why isn't "domain" used as a more commonly understood synonym?

In the section Mathematical Formulation, what do you think of changing "Note that the abbreviated action S0 is not a function, but a functional, i.e., something that takes as its input a function (in this case, the path between the two specified states) and returns a single number, a scalar." to "Note that the abbreviated action S0 is not a function, but a functional, i.e., something that has as its domain all differentiable functions (in this case, the path between the two specified states) and produces a Real single number, a scalar."

I am not sure to what order the functions have to be differentiable (once differentiable, twice differentiable,..., smooth). (All differentiable functions are continuous and integrable, of course.) I am also not sure that limiting the range to Reals is correct.

Comments?Abitslow (talk) 16:25, 21 December 2013 (UTC)[reply]

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