meinzlein
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 Apr 7 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. Apr 7 comment optimising problem - least mean square error No I don't. Probably this is what I'm looking for.. Apr 6 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. Apr 6 comment optimising problem - least mean square error Yes, $\mu_1, \mu_2, \mu_3$ do not depend on $t$. Apr 6 asked optimising problem - least mean square error Mar 26 asked finding a minorant to $(\sqrt{k+1} - \sqrt{k})$ Mar 26 awarded Scholar Mar 26 accepted different phrasings of L'Hôpital's rule Mar 26 accepted How to find $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$? Mar 26 asked How to find $\lim\limits_{n\to\infty} n·(\sqrt[n]{a}-1)$? Mar 25 comment different phrasings of L'Hôpital's rule Noone who can help? Mar 25 awarded Student Mar 25 asked different phrasings of L'Hôpital's rule