List questions from summation

Published on 17 Apr 2026 - 17:46

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Problem in the derivation of replica partition function of Hopfield network.

Published on 12 Apr 2026 - 0:36

89

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If $S_{100} - k + k² = 7500$ and $S_{100}$ it is the sum of $100$ consecutive positive integers, then what it is the value o k?

Published on 14 Apr 2026 - 19:19

348

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Find $Q''\left(\frac{3}{2}\right)$ where $Q(x) = 5-3(x-2)+\sum_{n=2}^{\infty}\frac{(x-2)^n}{n(n-1)}$

Published on 16 Apr 2026 - 22:53

1.9k

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How to indicate a condition in sum?

Published on 17 Apr 2026 - 17:52

82

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Maximum of harmonic-type sum

Published on 27 Mar 2026 - 0:00

41

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Series vanishes for all powers $k$ implies each term vanishes

Published on 14 Apr 2026 - 20:49

49

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How is the highest order term in the summation of kth powers generalized?

Published on 12 Apr 2026 - 4:14

258

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Summation of Higher Order Integrals

Published on 17 Apr 2026 - 17:55

107

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Calculate interest reserve and points when they are financed into a loan

Published on 12 Apr 2026 - 22:28

180

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Simplifying $\binom{n}{0} - \binom{n}{1} + \binom{n}{2} - \binom{n}{3} + \cdots + (-1)^n \binom{n}{n}$

Published on 16 Apr 2026 - 3:19

2.1k

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summation notation of singular value decomposition

Published on 26 Mar 2026 - 22:51

89

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A question on $\int \prod_{j=1}^u \frac{x+j}{j-x}~dx.$

Published on 15 Apr 2026 - 20:11

158

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Infinity Summation problem (ANSWERED)

Published on 12 Apr 2026 - 18:47

88

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Lagrange theorem in a limit of a summation

Published on 13 Apr 2026 - 17:35

List Question

Sum (sigma) notation disparity

Problem in the derivation of replica partition function of Hopfield network.

If $S_{100} - k + k² = 7500$ and $S_{100}$ it is the sum of $100$ consecutive positive integers, then what it is the value o k?

Find $Q''\left(\frac{3}{2}\right)$ where $Q(x) = 5-3(x-2)+\sum_{n=2}^{\infty}\frac{(x-2)^n}{n(n-1)}$

How to indicate a condition in sum?

Maximum of harmonic-type sum

Series vanishes for all powers $k$ implies each term vanishes

How is the highest order term in the summation of kth powers generalized?

Summation of Higher Order Integrals

Calculate interest reserve and points when they are financed into a loan

Simplifying $\binom{n}{0} - \binom{n}{1} + \binom{n}{2} - \binom{n}{3} + \cdots + (-1)^n \binom{n}{n}$

summation notation of singular value decomposition

A question on $\int \prod_{j=1}^u \frac{x+j}{j-x}~dx.$

Infinity Summation problem (ANSWERED)

Lagrange theorem in a limit of a summation

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