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Mathematics
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Vezen BU's user avatar
Vezen BU
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A student loving maths

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12
Find all the numbers obtainable via $+$ and $\times$ on 10 to 1
Jan 1
8
How to solve this summation problem?
Aug 30, 2022
7
How to represent $x^n$ as a sum of $P_k:= (x)(x-1)\dots(x-k+1)$?
Mar 27
4
How would you encourage an orthogonal matrix to be a permutation matrix?
Dec 23, 2021
4
"Absolute" version of determinant
Jan 7, 2022
4
Finding information about the combinatorial concepts (arriving from Music Theory)
Feb 14, 2022
4
The expected max inner product between a random vector and the sum of random vectors
Mar 6
4
Expected graph edit distance between two random graphs
Dec 11, 2023
3
Permutations maximally matching given pairwise order relations
Jun 14
3
Permute 1~10 with $x_m+m \leq x_n+n$ for $1\leq m<n \leq 10$
Aug 23, 2022
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9
The counterpart of "facial" for head