ziyuang
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 Feb 8 suggested approved edit on Derivative of trace of matrix Feb 8 suggested approved edit on Derivative of trace of matrix Jan 12 suggested approved edit on Continuity of a Linear function Jan 12 suggested approved edit on When do matrices have positive eigenvectors? Jan 11 suggested approved edit on About sequential weak closure in $\ell^2$ Jul 15 suggested approved edit on Expected value and the standard simple regression model Apr 24 suggested approved edit on Calculating $a_n$ in $\sum_{n=1}^\infty a_n \sin(\frac{n \pi}{2})=T_0$ Mar 20 suggested approved edit on How to compute/ find cancellation for the second group cohomology $H^2(G,A)$? Dec 9 suggested approved edit on Does the curvature determine the metric? Nov 16 suggested approved edit on How to find $x$ such that $\tan5x=\tan x$ and $\sin5x=\sin x$? Jul 24 suggested approved edit on Probability with Uniform Distribution with Multiple Variables Jun 19 suggested approved edit on Find an invertible matrix $P$ and a diagonal matrix $D$ such that $D=P^{−1}AP$? Jan 7 suggested approved edit on Solve linear algebra expressions Jan 7 suggested approved edit on Mistake in Taylor expansion? Dec 16 suggested approved edit on Find derivative of $f(x)=(x+2)^{(x-1)}$ Sep 5 suggested approved edit on Extension of Sobolev functions Jun 17 suggested approved edit on Suppose that a $3\times 3$ matrix $M$ has an eigenspace of dimension $3$. Prove that $M$ is a diagonal matrix. Oct 7 suggested approved edit on How can I get sequence $4,4,2,4,4,2,4,4,2\ldots$ into equation? Oct 6 suggested approved edit on Given a volumen. Which is the suface, that contains it, that has minimal area? Oct 5 suggested approved edit on Change of variables problem