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15
Math.TechQA.Club
2026-04-15 11:53:54
146
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How can I get a good approximation of $\sum_{s=1}^\infty x^s\ln(s)\ $?
Published on
15 Apr 2026 - 11:53
#calculus
#summation
#power-series
#approximation
245
Views
Proving $\sum_{x=0}^{n-1} \cos\left(k +x{2\pi\over n}\right) =\sum_{x=0}^{n-1} \sin\left(k +x{2\pi\over n}\right) =0. $
Published on
17 Apr 2026 - 14:40
#linear-algebra
#trigonometry
#summation
48
Views
Study of functions and geometric series
Published on
12 Apr 2026 - 20:46
#convergence-divergence
#summation
#continuity
94
Views
Check if possible sum exists
Published on
13 Apr 2026 - 9:53
#number-theory
#elementary-number-theory
#summation
#algorithms
59
Views
Choose $n$ elements from a set where their summand equals $S$
Published on
13 Apr 2026 - 17:31
#combinatorics
#summation
144
Views
Sum of first $n$ triangle numbers, without induction
Published on
14 Apr 2026 - 19:35
#summation
63
Views
Question about the $\ln$ of a product of primes
Published on
25 Apr 2026 - 10:02
#summation
#prime-numbers
#logarithms
180
Views
Can sigma notation have a fractional stop point?
Published on
28 Apr 2026 - 12:17
#discrete-mathematics
#summation
#notation
1.4k
Views
Interpreting summation with fractional part?
Published on
28 Apr 2026 - 12:17
#summation
#notation
30
Views
Choose $n$ elements from a set where their summand equals $S$
Published on
14 Apr 2026 - 4:04
#summation
#combinatorics
575
Views
Probability that sum of discrete random variables is smaller than other sum
Published on
11 Apr 2026 - 20:17
#probability
#discrete-mathematics
#summation
#random-variables
#density-function
2.4k
Views
Probability of sum of uniform variables
Published on
14 Apr 2026 - 22:38
#probability
#summation
#uniform-distribution
102
Views
Does this sum have any meaning?
Published on
08 Apr 2026 - 21:05
#summation
287
Views
Limit to infinity of a Sum
Published on
09 Apr 2026 - 19:07
#calculus
#limits
#summation
158
Views
Notation for Linear Algebra
Published on
28 Apr 2026 - 13:44
#linear-algebra
#summation
#notation
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