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bio website qoqosz.net
location Poland
age 25
visits member for 2 years, 5 months
seen Sep 14 at 15:55

I'm just a physics student.


Jun
26
revised Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?
fixed typo
May
24
comment Improper integral and special functions
@RaymondManzoni thank you.
May
24
accepted Improper integral and special functions
May
24
asked Improper integral and special functions
May
17
awarded  Yearling
May
14
awarded  Nice Answer
Feb
8
awarded  Nice Answer
Sep
16
awarded  Revival
Sep
16
answered Find the functions family that satisfies the inequality $\int_0^1 \frac{dx}{1+f^{2}(x)} <\frac{f(1)}{f'{(1)}}$
Aug
20
answered Solving the integral $\int_{0}^{\infty} \frac{\sin{x}}{x} \ dx = \frac{\pi}{2}$?
Jul
26
comment Sum equals integral
Thank you for your answer. These references are very helpful.
Jul
26
accepted Sum equals integral
Jul
26
awarded  Nice Question
Jul
25
awarded  Nice Answer
Jul
16
comment Inequality Related to $\arctan$ function
@Fabian except $x = 0$ ;)
Jul
16
comment How do I calculate the limit of this integral?
Your question is related to this one: math.stackexchange.com/questions/160248/…
Jul
15
comment Sum equals integral
Actually I would be more interested in neat examples rather than general methods for finding such functions.
Jul
14
comment Sum equals integral
@RossMillikan If summation of a series would range also from $-\infty$ to $+\infty$ than ${\rm sinc}$ is a nice example.
Jul
14
asked Sum equals integral
Jul
9
comment Find the functions family that satisfies the inequality $\int_0^1 \frac{dx}{1+f^{2}(x)} <\frac{f(1)}{f'{(1)}}$
@Mercy it is derivative which is not increasing.