Dec
19
reviewed Approve Proving that this function is negligible
Dec
18
reviewed Edit Prove $a^ab^bc^c\ge (abc)^{\frac{a+b+c}3}$ for positive numbers.
Dec
10
reviewed Approve english to metric conversion with cubes
Dec
7
reviewed Approve Riemann integrals real analysis
Dec
6
reviewed Approve Counterexample for non-prime ideal
Dec
6
reviewed Approve Fourier Transform of $1/(\pi\cdot t)$ by Duality
Dec
5
reviewed Approve Prove that $ y''(0) = -1, x = \cos\left(\frac{t}{1+t}\right), y = \sin\left(\frac{t}{1+t}\right)$
Dec
3
reviewed Edit Solving linear first order differential equation with hard integral
Dec
1
reviewed Reject Exact closed form of recurrence $4F(n/4)+n^2$, $F(1)=1$, n is a power of 4
Dec
1
reviewed Approve Consider ODE ; find solution(s).
Nov
30
reviewed Approve the greatest value of an implicit function
Nov
24
reviewed Reject An analytic characterization of eigenvalues of a Hermitan matrix.
Nov
24
reviewed Approve What is this called: $ \frac{\partial^2f}{\partial x^2} + \frac{\partial^2f}{\partial y^2} = $ … Laplacian?
Nov
24
reviewed Approve low rank approximation using CVX
Nov
24
reviewed Approve Coordinate Geometry. The angle between two lines & angle of inclination.
Nov
24
reviewed Edit Solving this trigonometric task
Nov
23
reviewed Approve Finding a limit for n tends to infinity
Nov
23
reviewed Approve Determine if $\displaystyle \int_3^{\infty}\frac{x+1}{\sqrt{x^4-x}}\,dx $ converges
Nov
19
reviewed Approve What is indefinite integral actually - $\int f(x)dx$ or $\int_a^x f(t)dt$?
Nov
19
reviewed Reject A basic question on equilibrium point of coupled differential equation