679 reputation
219
bio website mathkonspekt.tumblr.com
location Russia
age
visits member for 2 years, 9 months
seen 10 hours ago

Oct
21
comment Find $f(n)$ in $\binom {2^n} {n^4} = (f(n)+ o(1))^n$
I think it should be $\binom {2^n} {n^4} = (f(n)+ o(f(n)))^n$
Oct
14
comment Showing there is no invertible function $f: \mathbb{R} \to \mathbb{R}$
Should $f$ be continuous function ? If not, there is such invertible function.
Oct
8
awarded  Excavator
Oct
8
revised How to calculate the median of a continuous random variable
texing formulas
Oct
8
suggested suggested edit on How to calculate the median of a continuous random variable
Sep
30
awarded  Explainer
Aug
30
comment Sum over all non-evil numbers
Do you know that $\sum 1/n=\infty$
Jul
26
comment What is $P[a, b]$?
Polinoms on [a,b] ?
Jul
2
awarded  Curious
Jun
6
awarded  Announcer
Jun
5
answered Solving $2^{-x} = \frac{1}{3}\cdot \sqrt{x} +1$
Jun
2
comment Pointwise convergence in two variables.
Note that the function $\chi_B(r,x)$ is not continuous on the sphere.
Jun
2
accepted How to esimate $\inf\int|\nabla g|^p\,dx$
Jun
2
accepted Compute $ \int\sin(x^2)\, dx + \int \sqrt{\arcsin t}\, dt$
Jun
2
awarded  Custodian
Jun
2
reviewed Approve suggested edit on Similarity transformation of a linear operator
Jun
2
answered Similarity transformation of a linear operator
Jun
1
answered Evaluating the definite integral of a trig function via complex analysis methods.
Jun
1
answered Which probability should use to approximate Binomail distribution?
May
31
answered Tricky improper integral