List questions from exponential-sum

Published on 27 Feb 2013 - 15:00

310

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Exponential sum identity

Published on 11 Mar 2013 - 18:02

55

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Can we exactly calculate the sum $S=\sum\limits_{n=1}^{N} e^{2ib\cos n\theta} e^{-in\theta}$?

Published on 19 Aug 2020 - 4:12

56

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Bounding the character sum $\sum e((ax^k+bx)/p)$

Published on 26 Aug 2020 - 5:43

96

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How to get the bound of a summation changed from $e^x$?

Published on 28 Aug 2020 - 3:35

39

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What is the sum of quadratic function?

Published on 08 Sep 2020 - 14:13

41

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solving a function with series

Published on 22 Sep 2020 - 15:41

56

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If the Infinite sum of a series is known, what is the sum of element wise product with another series?

Published on 23 Sep 2020 - 12:08

315

Views

Optimizing sum of two exponential functions

Published on 24 Sep 2020 - 8:47

119

Views

Finding the Closed Form of a Multivariable Exponential Summation

Published on 20 Oct 2020 - 19:24

62

Views

Invariant for interesting set of functions generalizing $\sin$ and $\cos$ and other properties

Published on 26 Mar 2026 - 22:54

60

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Math Quiz question $(5b^4)^2$

Published on 26 Oct 2020 - 13:49

52

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Need help in finding the sum of the following infinite series.

Published on 13 Nov 2020 - 6:55

490

Views

How to prove that the softmax function is not invariant under scalar multiplication.

Published on 27 Mar 2026 - 0:58

38

Views

Simplifying exponential terms

Published on 06 Dec 2020 - 18:39

List Question

a functional space for the study of exponential sum

Exponential sum identity

Can we exactly calculate the sum $S=\sum\limits_{n=1}^{N} e^{2ib\cos n\theta} e^{-in\theta}$?

Bounding the character sum $\sum e((ax^k+bx)/p)$

How to get the bound of a summation changed from $e^x$?

What is the sum of quadratic function?

solving a function with series

If the Infinite sum of a series is known, what is the sum of element wise product with another series?

Optimizing sum of two exponential functions

Finding the Closed Form of a Multivariable Exponential Summation

Invariant for interesting set of functions generalizing $\sin$ and $\cos$ and other properties

Math Quiz question $(5b^4)^2$

Need help in finding the sum of the following infinite series.

How to prove that the softmax function is not invariant under scalar multiplication.

Simplifying exponential terms

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