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 iterating non-analytic tommy1729 Ultimate Fellow Posts: 1,372 Threads: 336 Joined: Feb 2009 02/08/2011, 01:25 PM let g(x) be coo and strictly increasing but nowhere real-analytic. g(g(x)) = f(x) and f(x) is strictly increasing and real-analytic. 1) what are examples of such f(x) and g(x) ? 2) if f(x) = exp(x) , then what is g(x) ? 3) if f(x) = 2 sinh(x) , then what is g(x) ? as you might expect , this relates to my sinh method ... regards tommy1729 « Next Oldest | Next Newest »

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