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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}$
Oct
9
asked
How can i reconstruct a polynomial with access to its roots and not to some points evaluation of it?
Sep
26
asked
How difficult is it to find a Matrix A if i give you it’s multiplication with an eigenvector? Assuming my matrix is big enough
Sep
25
asked
Does common eigenvectors between two matrices A,B implies some property for the vectors?
Jun
28
asked
Is there any difference between the definition of a commutative ring and field?
Jun
27
asked
What does this mean: $\mathbb{Z_{q}^{n}}$?
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