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P. Quinton
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Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 1 year, 11 months
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6 Does there exist random variables such that any strict subset of $\{ X_1, X_2, … X_n\}$ is independent but $X_1, X_2, … X_n$ are not independent? Sep 16 '18
5 Proving $\sum_{k=1}^{n} k \binom{n}{k} = n \cdot 2^{n-1}$ by double counting Nov 24 '18
4 monochromatic solution to $xy=z$ Jan 9 '19
4 let X be a random variable such that $E[X^4]=1$ then $P(|X|\geq 2) \leq \frac{1}{16}$? Jan 23 '19
4 If $T$ is an invertible linear transformation and $\vec{v}$ is an eigenvector of $T$, then $\vec{v}$ is an eigenvector of $T^{-1}$ Apr 13 '19
4 If $\mathbf{Ax}=\mu\mathbf y$ and $\mathbf{Ay}=\mu\mathbf x$, are $\mu$ or $-\mu$ an eigenvalue of $\mathbf A$? May 1 '19
4 $S=\sum_{k=2}^{n}\frac{k^{2}-2}{k!}, n\geq 2$ May 25 '19
4 Expected value of $E[X_n]$ Jan 9
4 Finding the eigenvalues of a linear transformation which takes inputs from the set of all $n\times n$ matrices. Oct 4 '18
4 Solving the wave equation under a Neumann boundary condition on the gradient at one point Aug 24 '18
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