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Mathematics
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Skywear
  • Member for 6 years, 3 months
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6
Combinatorial proof of $\sum_{k=0}^p {p \choose k}^2 {{n+2p-k}\choose {2p}} = {{n+p} \choose p}^2$
May 27, 2018
3
Best way to remove a local maxima from a piecewise linear function
Apr 27, 2022
2
Property of vectors spanned by the columns of a symmetric matrix
Apr 25, 2023
2
Upper bounding $v^TAv$ where $A$ is the inverse of a sum of rank-$1$ matrices and $v$ is a vector
Jun 23, 2023
1
Value of $\sum_{n=0}^{\infty}\frac{n^k}{n!}$ for $k \in \mathbb{N}$ [duplicate]
Apr 12, 2018
1
Inequality on the norm of a kernel
Mar 2, 2022
1
Continuity of a function defined as an arg min
Sep 7, 2022
1
law of large numbers for empirical cdf with normalized weights
Apr 6, 2023
1
Solving a quadratic program with one equality constraint
Apr 21, 2023
1
Characteristic function of a normal variable and conditioning
Jul 17, 2023