J. M. is back.
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 15h comment “What if” math joke: the derivative of $\ln(x)^e$ That reminds me... 23h comment A golden ratio series from a comic book Very interesting. It could be that the comic's author did get the series from there. 1d revised A golden ratio series from a comic book added 4 characters in body 1d awarded Popular Question 1d comment A golden ratio series from a comic book I don't know; I've yet to read my copy. 1d awarded Nice Question 1d comment A golden ratio series from a comic book It's entirely your call, but I think you'd be better off splitting the contour integration approach into a different answer. 1d comment A golden ratio series from a comic book That would be nice to see! 1d comment A golden ratio series from a comic book The solution I previously had involved a hypergeometric route. When I noticed that the resulting hypergeometric function degenerated to the binomial series, that's when I started looking for simpler solutions... 1d comment A golden ratio series from a comic book Nice! $\phantom{}$ 1d comment A golden ratio series from a comic book (If there are simpler solutions, I'd like to see them!) 1d answered A golden ratio series from a comic book 1d asked A golden ratio series from a comic book Oct 6 comment Why are x and y such common variables in today's equations? How did their use originate? To future editors: either use "oe" or the umlaut; "Röentgen" just looks... ridiculous. Honestly, don't edit unless your grammar/phrasing is better than my formulation. :P Oct 6 revised Why are x and y such common variables in today's equations? How did their use originate? rolled back to a previous revision Oct 6 comment Is Cramer's rule efficient for computational point of view? See this as well. Oct 6 comment What is a moving average system? @oldrinb, that's why I provided the second comment; I know that there are a number of moving averages; I just mentioned the one I'm used to. Oct 6 comment Determinant of a specially structured matrix @yo, yes, that can be done. Sep 1 comment A circle rolls along a parabola @Shivam, very unfortunately, I do not have a copy of that notebook handy. Nevertheless, I did give enough detail in this answer so that you can try writing the routines yourself. Should you have any trouble coding it up in Mathematica, you can always ask a question at mathematica.SE. Aug 31 comment Why do both sine and cosine exist? …and once you get to studying Fourier series, having a function that is even and a function that is odd proves convenient.