ziyuang
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 Feb 8 revised Derivative of trace of matrix tr -> \mathrm{tr}, use align environment Feb 8 revised Derivative of trace of matrix <> -> \langle\rangle Jan 15 revised Different versions of Mercer's theorem deleted 1 character in body Jan 12 revised Continuity of a Linear function For grammar mistakes Jan 12 revised When do matrices have positive eigenvectors? For grammar mistakes Jan 11 revised About sequential weak closure in $\ell^2$ Texified the title; <> t0 langle/rangle Sep 30 revised Similarity between $I+N$ and $e^N$ when $N$ is nilpotent less verbose Jul 15 revised Expected value and the standard simple regression model typo in the title Apr 24 revised Calculating $a_n$ in $\sum_{n=1}^\infty a_n \sin(\frac{n \pi}{2})=T_0$ () -> \left(\right) Apr 8 revised Why are additional constraint and penalty term equivalent in ridge regression? deleted 8 characters in body Apr 7 revised Why are additional constraint and penalty term equivalent in ridge regression? added 748 characters in body Apr 7 revised The positive-definite-ness of RBF kernel deleted 5 characters in body Apr 6 revised Why are additional constraint and penalty term equivalent in ridge regression? added 17 characters in body Mar 20 revised How to compute/ find cancellation for the second group cohomology $H^2(G,A)$? Added a missing $in the title Dec 9 revised Does the curvature determine the metric? log -> \log, cos -> \cos, sin -> \sin Nov 16 revised How to find$x$such that$\tan5x=\tan x$and$\sin5x=\sin x$? sin to \sin, x to$x$Nov 16 revised How can I solve this infinite sum? deleted 2 characters in body Jul 24 revised Probability with Uniform Distribution with Multiple Variables texified the body Jun 19 revised Find an invertible matrix$P$and a diagonal matrix$D$such that$D=P^{−1}AP\$? Texify the title Mar 24 revised Generic points as coefficients of polynomial kernels? edited title