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3h
revised Use convolution theorem to evaluate $\int_0^\infty e^{-((|a+su|)/c)^b}e^{-(u/k)^p}du$
added 3 characters in body
7h
revised If $y'+y=|x|$ and $y(-1)=0$, what is $y(1)$?
added 41 characters in body; edited title
9h
revised SLLN when the expectation in infinite
deleted 14 characters in body; edited tags
9h
revised If $V$ is a vector subspace of $R^n$, prove that $V^ \bot$ is a vector subspace of $R^n$
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9h
revised How to compute $\lim\limits_{x \rightarrow 0} \frac{1}{x^2}\int_0^{G(x)} \arctan(s+2s^2) ds$
added 78 characters in body; edited title
9h
revised Solve the equation $\Bbb|x-\sqrt{x}|=\lfloor x\rfloor-\sqrt{x}$
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9h
revised How to solve $8x^3-6x+6xy^2=0=4y^3-4y+6xy^2$
deleted 4 characters in body; edited title
10h
revised Definition of integrability for sequences
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10h
revised Definition of integrability for sequences
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10h
revised If $\sum\limits_n \sqrt{\mathrm{Var}(X_n)}$ converges, then $\sum\limits_n (X_n - E[X_n])$ converges in $L^2$
added 25 characters in body; edited tags; edited title
19h
revised solution of differential equation $\left(\frac{dy}{dx}\right)^2-x\frac{dy}{dx}+y=0$
edited tags; edited title
20h
revised Product of i.i.d. random variables uniformly distributed on $(-1,1)$ converges almost surely to $0$
deleted 29 characters in body; edited tags; edited title
1d
revised Moment generating function and convergent random variables
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1d
revised Proof by induction: $(a+b)^n=a^n+na^{n-1}b+\frac{n(n-1)}{2!}a^{n-2}b^2+…+nab^{n-1}+b^n$
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1d
revised Calculate the discrete density of the variables of a Markov chain
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1d
revised Defining the states when we roll one single die repeatedly
deleted 39 characters in body; edited title
2d
revised How could we define the factorial of a matrix?
added 12 characters in body
2d
revised What is the distribution of $\min\limits_{1\le i\le N}\frac{X_i}{Y_i + C}$ as $N \rightarrow \infty$?
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2d
revised Maximum of a sum of random variables
deleted 20 characters in body; edited tags
2d
revised sigma algebra of a stopping time
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