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  • 31 votes cast
May
5
asked Is there a way to recover the sum of a vector coefficients?
Apr
15
asked Cardinality of solutions for a set of linear equations
Mar
30
asked What is the probability of the sum of elements in $\mathbb{Z}_{N^2}^*$ to be multiplicatively inverted?
Jan
21
asked Divisibility property of Laplace
Nov
21
answered Bilinear Map vs Inner Product
Oct
14
asked Expected time of n events to complete
Apr
15
asked Existence of a map $\phi:\mathbb{Z}_{N^2}^* \mapsto \mathbb{F} $
Dec
12
asked Does this modular arithmetic equation hold?
Nov
27
asked Has this system unique solutions?
Nov
22
asked Can i find such a polynomial?
Nov
14
asked What happens if one multiplies two elements belonging to two different groups?
Nov
6
asked Can i approximate the inner product of two vectors by the sum of their coefficients?
Oct
17
asked How to prove invertibility of a linear independent column matrix?
Sep
17
asked How do i define a plane orthogonal to a given one?
Jul
5
asked How to prove that the cosine of the angle of two vectors is preserved after rotating the vectors with the same angle?
Jul
2
asked How i can rotate a $m$ dimensional vector?
Jul
1
asked How to find the orthogonal of a vector
Jun
13
asked How to compute conditonal probability on multiple conditions on the right side?
Apr
10
asked Why translation of vectors doesn't preserve the cosinus of the angle they form?
Feb
26
asked Prove $ \frac{0}{N} + \frac{1}{N} + \ldots + \frac{q-1}{N} =\frac{q(q-1)}{2N}$