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15
Math.TechQA.Club
2026-03-26 11:00:59
432
Views
A more general closed-form of an integral involving a square power of $\theta_4$ - function
Published on
26 Mar 2026 - 11:00
#integration
#sequences-and-series
#definite-integrals
#closed-form
#theta-functions
230
Views
Evaluate an infinite series involving the polygamma function OR first derivative of the hurwitz zeta function
Published on
25 Mar 2026 - 17:39
#sequences-and-series
#special-functions
#closed-form
#polygamma
173
Views
How can we show that $\sum_{n=1}^{\infty}{\zeta(2n)\over a^{2n}n}=\ln\left({\pi\over a\sin({\pi\over a})}\right)$?
Published on
01 Apr 2026 - 20:50
#sequences-and-series
#closed-form
#infinite-product
90
Views
Closed-form for Floor Sum 2
Published on
07 Apr 2026 - 18:19
#summation
#closed-form
#ceiling-and-floor-functions
96
Views
Closed-form for Floor Sum 4
Published on
08 Apr 2026 - 4:03
#summation
#closed-form
#ceiling-and-floor-functions
631
Views
Evaluating $\int\frac{x^b}{1+x^a}~dx$ for $a,b\in\Bbb N$
Published on
28 Aug 2017 - 22:50
#integration
#sequences-and-series
#indefinite-integrals
#closed-form
128
Views
Solve equation containing pdf and cdf of a normal distribution
Published on
29 Aug 2017 - 4:11
#probability
#normal-distribution
#closed-form
132
Views
Let $k$ be a fixed integer and consider the sequence $1, k, k+1, 2k, 2k+1, 3k, 3k+1, 4k, 4k+1, \dotsc$. Is there a closed form for this sequence?
Published on
29 Aug 2017 - 16:46
#sequences-and-series
#closed-form
367
Views
Elementary summations of non-elementary functions
Published on
02 Sep 2017 - 16:38
#summation
#recreational-mathematics
#closed-form
173
Views
Reciprocal Ackermann series
Published on
05 Apr 2026 - 21:21
#sequences-and-series
#closed-form
#ackermann-function
574
Views
Find closed formula by changing order of summation: $\sum_{i=1}^ni3^i$
Published on
27 Mar 2026 - 3:43
#algebra-precalculus
#summation
#exponential-function
#closed-form
#geometric-progressions
103
Views
Question regarding simple transformation in chapter 3.5 (Floor/Ceiling Sums) of Concrete Mathematics
Published on
03 Apr 2026 - 5:29
#summation
#closed-form
#ceiling-and-floor-functions
462
Views
How do I find the closed sum?
Published on
08 Apr 2026 - 16:44
#closed-form
97
Views
Deriving a formula for the lower-bound of rotating a sequence
Published on
06 Apr 2026 - 14:05
#sequences-and-series
#combinatorics
#prime-numbers
#closed-form
#rotations
97
Views
$\int_{0}^{x} t^tdt$
Published on
11 Sep 2017 - 11:35
#calculus
#real-analysis
#integration
#closed-form
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