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Jan
20
answered what is the name of this operation: $x^T\otimes B$
Jan
4
answered Generic method to find a matrix whose null space is given
Jan
3
answered $0$ and $p^n \mathbb{Z}_p$ are the only ideals of $\mathbb{Z}_p$
Jan
3
answered Inversible Antisymmetric Matrix
Jan
3
answered Why $\|Ax\|^2=\frac{1}{4}\left(2\left<A(\beta x), v\right>+2\left<Av,\beta x\right>\right)$
Jan
2
answered Does order of qualifiers matter in FOL formula?
Jan
1
answered Integrate $ \int {1\over x^2(x-1)^3} \, dx $
Jan
1
answered Understanding a “matrix repræsentation”
Jan
1
answered A simple proof that $\bigl(1+\frac1n\bigr)^n\leq3-\frac1n$?
Jan
1
answered What is $\rightarrowtail$ used for?
Jan
1
answered Diagonalization versus s.d. product for non-commuting Hermitian matrices
Jan
1
answered Forming contrapositive
Dec
31
answered Non-zero eigenvalues of $AA^T$ and $A^TA$
Dec
31
answered help on a specific power series expansion, i cannot see what the author did here
Dec
31
answered $U \subset \mathbb{C}$ open, how do I construct $f$ holomorphic, such that there is no continuation of $f$ on any neighbourhood of $z \in \partial U$?
Dec
31
answered Eigenvalue of the substraction of 2 matrices
Dec
31
answered Why is $ \lim_{x\to0}\frac{2-\sqrt{4-x}}{x} = \frac{1}{4} $?
Dec
30
answered $p_n<n\left(\log n + \log\log n\right)$
Dec
22
answered About the solution to a non-linear non-constant coefficient second-order ODE
Dec
17
answered What are some applications of elementary linear algebra outside of math?