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Aug
12
answered Does limit exist for the following expression?
Aug
11
answered Area under a curve subintervals
Aug
11
answered Differential geometry: $|\alpha(t)|=c\ne 0 \iff \langle \alpha(t),\alpha'(t)\rangle = 0,\forall t\in I$
Aug
7
answered English translation of von Neumann's “Zur Theorie der Gesellschaftsspiele”, 1928
Aug
5
answered Explanation of this integral's solution
Aug
3
asked Proving that the coordinate basis is a basis of a tangent space
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