List questions from exponential-sum

Published on 20 Nov 2015 - 14:42

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Prove $\sum_{i=0}^n {{n \choose i} \times 2^i} = 3^n $

Published on 28 Nov 2015 - 16:11

67

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Prove theorem that concerns to sums of exponentials.

Published on 28 Mar 2026 - 1:56

242

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Solving for coefficients in half sum of two exponential functions

Published on 05 Dec 2015 - 3:54

58

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Summation of gaussians

Published on 06 Dec 2015 - 15:17

119

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A Fact Stated in Davenport's Multiplicative Number Theory

Published on 08 Dec 2015 - 9:41

26

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Can every constant be written in that way?

Published on 09 Dec 2015 - 2:54

29

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Relation between the sum of the values of a polynomial $f$ over a finite field, and the additive character sum with $f$ as the polynomial argument

Published on 28 Mar 2026 - 6:10

30

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How to simplify a sum for the total cost of a yearly payment including compound interest

Published on 19 Dec 2015 - 14:21

4.1k

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How to simplify a sum of exponential equation?

Published on 21 Dec 2015 - 3:57

3.7k

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Generate exponential weights (sum of all = 1)

Published on 27 Dec 2015 - 11:18

129

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Notation for a specific summation

Published on 30 Dec 2015 - 17:58

92

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Does this series converge? If so, to what?

Published on 05 Jan 2016 - 21:01

47

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Calculating Maximum Population Size After 106 Years, Starting With 3 Breeding Pairs

Published on 10 Jan 2016 - 21:09

95

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Matrix power eventually reaches partial order

Published on 14 Jan 2016 - 15:22

List Question

log of summation expression

Prove $\sum_{i=0}^n {{n \choose i} \times 2^i} = 3^n $

Prove theorem that concerns to sums of exponentials.

Solving for coefficients in half sum of two exponential functions

Summation of gaussians

A Fact Stated in Davenport's Multiplicative Number Theory

Can every constant be written in that way?

Relation between the sum of the values of a polynomial $f$ over a finite field, and the additive character sum with $f$ as the polynomial argument

How to simplify a sum for the total cost of a yearly payment including compound interest

How to simplify a sum of exponential equation?

Generate exponential weights (sum of all = 1)

Notation for a specific summation

Does this series converge? If so, to what?

Calculating Maximum Population Size After 106 Years, Starting With 3 Breeding Pairs

Matrix power eventually reaches partial order

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