meinzlein
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 Apr7 comment optimising problem - least mean square error Yeah, I think I'm looking for the minimum distance between a line and a point in $\mathbb{R}^n$. But I need to know the corresponding value of $\eta$ as well not only the value of the minimum distance. Apr7 comment optimising problem - least mean square error No I don't. Probably this is what I'm looking for.. Apr6 comment optimising problem - least mean square error I guess it is. My problem is I don't exactly know how to "understand" this problem. I also thought about taking it as a vector problem - a n-dimensional target vector is given and another vector is given which should be altered to be closer to the target vector, but only certain components following certain rules (depending on the $\mu$s) can be altered. Apr6 comment optimising problem - least mean square error Yes, $\mu_1, \mu_2, \mu_3$ do not depend on $t$. Apr6 asked optimising problem - least mean square error Mar26 asked finding a minorant to $(\sqrt{k+1} - \sqrt{k})$ Mar26 awarded Scholar Mar26 accepted different phrasings of L'Hôpital's rule Mar26 accepted $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$ Mar26 asked $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$ Mar25 comment different phrasings of L'Hôpital's rule Noone who can help? Mar25 awarded Student Mar25 asked different phrasings of L'Hôpital's rule