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 RE: [MO]: Pade-approximation method for iteration of exp(x) Gottfried Ultimate Fellow Posts: 767 Threads: 119 Joined: Aug 2007 02/13/2011, 11:54 PM (This post was last modified: 02/14/2011, 02:36 PM by Gottfried.) Hi folks - just came across the following entry in mathOverflow: answer of John Sidles He gives a short overview of his method; he has also a longer treatize: Pade-method, PDF Unfortunately I've never done anything with Pade-approximation so I cannot say much meaningful about that approach, it would be good if someone else here could comment on this. Hmm - just when I checked for the authors name I notice, that this article was already posted in december (I must have missed this) and only something was currently edited. Gottfried Gottfried Helms, Kassel bo198214 Administrator Posts: 1,389 Threads: 90 Joined: Aug 2007 02/14/2011, 08:58 AM You write in the title exp(x)-1, but it is exp, isnt it? Reminds me a bit of the rational approximation approach by Ansus, though I think he used it rather for the superfunction instead of the fractional iterates. Gottfried Ultimate Fellow Posts: 767 Threads: 119 Joined: Aug 2007 02/14/2011, 02:35 PM (02/14/2011, 08:58 AM)bo198214 Wrote: You write in the title exp(x)-1, but it is exp, isnt it? Reminds me a bit of the rational approximation approach by Ansus, though I think he used it rather for the superfunction instead of the fractional iterates. urrks. True - seems my brain lowers its input-separation precision... :-( I'll update the header line. Thanks for the check Gottfried Gottfried Helms, Kassel « Next Oldest | Next Newest »

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