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 Feb 10 accepted Harmonic oscillator with squared damping term Feb 9 asked Harmonic oscillator with squared damping term Feb 8 asked In matrix algebra, what's the name for the inverse operation of pre- or post- multiplication? Jan 10 accepted How to extend the parallelepiped volume formula to higher dimensions? Jan 9 asked How to extend the parallelepiped volume formula to higher dimensions? Jan 9 asked Why does it seem that eigendecomposition requires that the decomposed matrix be diagonal? Jan 9 accepted Does the constraint $\mathbf{w'1}=1$ make $\mathbf{w}$ an eigenvector of any square symmetric matrix? Jan 4 comment Does the constraint $\mathbf{w'1}=1$ make $\mathbf{w}$ an eigenvector of any square symmetric matrix? The second part of your characterization of the claim is a misrepresentation. According to section 2.1 of the document linked below "it is only through a slight abuse of language" that we can talk of a single eigenvector corresponding to each eigenvalue. utdallas.edu/~herve/Abdi-EVD2007-pretty.pdf Jan 4 asked Does the constraint $\mathbf{w'1}=1$ make $\mathbf{w}$ an eigenvector of any square symmetric matrix? Dec 18 awarded Popular Question Dec 17 comment Predicting trends of timeseries data with ARIMA Have you considered a binary logit or naive Bayesian classifier? (The binary would be 1=something anomalous going on, 0=nothing anomalous going on.) You would have to have enough data to train and back-test the model. Probably two or three times longer than the series you show in your post. Nov 18 asked Can't understand where the second term in this derivative comes from Nov 13 accepted Difference between arbitrarily large and infinite in terms of countableness Nov 5 comment Why should Gaussian noise have fractal dimension of 1.5? @Did I'm trying to work with you here Did. First you complain that I do not include my calculations, then insult me when I do provide my code. You complain that I do not ask for specific clarification of your answer, and then when I do ask for such clarification you sneer at me again. If this ridiculous back and forth weren't so amusing I would be offended. Let me know if there's something I can do to make you happy. Nov 5 comment Why should Gaussian noise have fractal dimension of 1.5? @Did A moderator has already responded to the non-answer you refer to. As for being more specific, please edit your answer to cite a reference for the first step in your proof, or derive it yourself. You state this step as though it were common knowledge, which perhaps it is for you and your peers, but it is unfamiliar to me. Nov 5 comment Why should Gaussian noise have fractal dimension of 1.5? @Did See the edit. I have included my code. I appreciate it if you can point out where my code has an error, or where it is different from Higuchi's algorithm. Nov 5 revised Why should Gaussian noise have fractal dimension of 1.5? added 1477 characters in body Oct 19 asked Difference between arbitrarily large and infinite in terms of countableness Oct 14 awarded Popular Question Sep 30 accepted Does the chain rule automatically imply the full derivative?