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i know this is possible to find with iteration, but is it possible to find it algebraically?

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- Thread starter 3hlang
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- #1

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i know this is possible to find with iteration, but is it possible to find it algebraically?

- #2

tiny-tim

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i know this is possible to find with iteration, but is it possible to find it algebraically?

Nope!

- #3

HallsofIvy

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- #5

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so if x=y^y, then y=?

- #6

HallsofIvy

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so if x=y^y, then y=?

definedas the inverse function to xln(x).

All you have done is swap x and y! If [itex]x= y^y[/itex] then, by the same formula I gave before, y= W(ln(x)).

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