List questions from elementary-functions

Published on 11 Sep 2017 - 14:37

489

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k-th Elementary Symmetric Function : Definition

Published on 26 Sep 2017 - 4:49

86

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Find the minimum value of $ a/(1+b) + b/(1+a) + (1-a)(1-b)$

Published on 26 Mar 2026 - 12:48

234

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Find n'th derivative of polynomial and smallest possible degree

Published on 06 Oct 2017 - 18:57

48

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Taylor approximation of $R=1-\frac{2y}{N^2}$

Published on 06 Oct 2017 - 20:26

40

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Prove upper bound to $\lfloor\log_k{x} \rfloor$

Published on 11 Oct 2017 - 14:35

211

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When does the equation $(A^2+x^2)^sx = C$ have an explicit, closed-form solution?

Published on 26 Mar 2026 - 17:34

23

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Is there an analytical algorithm to determine the boundary of a set defined by polynomial inequalities?

Published on 15 Oct 2017 - 12:32

880

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From pointwise to uniform convergence on compact sets

Published on 24 Oct 2017 - 9:09

764

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Are the trigonometric functions really Elementary Functions?

Published on 26 Oct 2017 - 20:46

3.2k

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Smooth transition between linear functions

Published on 28 Oct 2017 - 11:07

31

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Can I Invert a function to eliminate a divide by zero error?

Published on 02 Nov 2017 - 16:14

218

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Number of solutions to an exponential equation

Published on 10 Nov 2017 - 14:33

3.1k

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How is the Dirac function different from the indicator function

Published on 11 Nov 2017 - 8:17

50

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Product of $f(x)\cdot f(x)$ when the domain is empty

Published on 11 Nov 2017 - 11:55

List Question

Detecting a nonrepeating decimal

k-th Elementary Symmetric Function : Definition

Find the minimum value of $ a/(1+b) + b/(1+a) + (1-a)(1-b)$

Find n'th derivative of polynomial and smallest possible degree

Taylor approximation of $R=1-\frac{2y}{N^2}$

Prove upper bound to $\lfloor\log_k{x} \rfloor$

When does the equation $(A^2+x^2)^sx = C$ have an explicit, closed-form solution?

Is there an analytical algorithm to determine the boundary of a set defined by polynomial inequalities?

From pointwise to uniform convergence on compact sets

Are the trigonometric functions really Elementary Functions?

Smooth transition between linear functions

Can I Invert a function to eliminate a divide by zero error?

Number of solutions to an exponential equation

How is the Dirac function different from the indicator function

Product of $f(x)\cdot f(x)$ when the domain is empty

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