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Talk:Kutta-Merson method

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The expression for k_4 in Eq. (2) has a mistake. The second argument to f should be y_0 + 1/8 k_1 + 3/8 k_3.

Thank you. I am not an expert in it. Trying to check it, I look on Wikipedia: [1], but I do not understand, is it the same or not?
And please sign your messages (on talk pages) by four tildas: ~~~~. Boris Tsirelson (talk) 20:18, 22 July 2014 (CEST)
The explicit Runge-Kutta method listed on this page does not appear, currently, on that Wikipedia page. I verified my correction by consulting the article's reference 1: [2]. The 3/8 factor multiplies k_3, not k_2. I was unable to edit the equation in the article myself. Adamace123 (talk) 20:44, 22 July 2014 (CEST)
I see. OK, I've fixed it. Hope I did not introduce new errors. :-) Boris Tsirelson (talk) 22:35, 22 July 2014 (CEST)
Looks good to me.Adamace123 (talk) 22:40, 22 July 2014 (CEST)
How to Cite This Entry:
Kutta-Merson method. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Kutta-Merson_method&oldid=32521