- #1

fluidistic

Gold Member

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Now I try to understand exactly how this transform (is it an operator?) acts on a function of several variables. I must of course be mistaken but I see in wikipedia what happens in the case of a single variable, not several variables.

Thus, if you give me a function of several variables, I have no idea how to take the Legendre transform(s) of this function.

Could someone explain me more or less what is it, how to apply it or at least give me a good reference (wikipedia would do the job if I knew where to look at exactly)?

Thanks!