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visits member for 2 years, 7 months
seen Nov 16 at 2:21

Jan
29
asked Largest singular value of non square matrix
Jan
29
accepted Inequalities of two variables
Jan
23
asked Inequalities of two variables
Dec
4
awarded  Popular Question
Nov
21
awarded  Popular Question
Oct
30
awarded  Popular Question
Sep
18
awarded  Popular Question
Jul
21
asked Relation between integral and distribution
May
17
awarded  Yearling
May
17
comment Solving $x^{\log(x)}=\frac{x^3}{100}$
why prince Charles?
May
17
awarded  Critic
May
17
answered Solving $x^{\log(x)}=\frac{x^3}{100}$
May
17
answered Simplify $\log_23\ \log_34\ \log_4 5\ \log_5 6\ \log_6 7\ \log_7 8$
May
17
answered Evaluate $\int x \cos x^2 dx$
May
17
comment Limit of $\lim_{x \to 0}\left (x\cdot \sin\left(\dfrac{1}{x}\right)\right)$ is $0$ or $1$?
Your mistake: $\lim_{x\rightarrow 0} \frac{sin(1/x)}{1/x}\neq 1$ but $0$
May
17
answered Limit of $\lim_{x \to 0}\left (x\cdot \sin\left(\dfrac{1}{x}\right)\right)$ is $0$ or $1$?
May
17
accepted Two random variable with the same variance and mean
May
17
comment Two random variable with the same variance and mean
is the identity $E(XY|X)=XE(Y|X)$ easy to prove?
May
17
asked Two random variable with the same variance and mean
May
15
comment length of sum of two submodule
@rschwieb: But I only prove the cases $K \cap N =\{0\}$