List questions from approximation

Published on 28 Jul 2015 - 12:41

308

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Why can the elements of $L^\infty$ be approximated in $L^p$ by $C^1$-functions?

Published on 28 Jul 2015 - 13:19

822

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Fourier expansion of absolute value of a periodic function

Published on 28 Jul 2015 - 15:09

618

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Runge Phenomena and Taylor Expansion

Published on 28 Jul 2015 - 22:07

1.4k

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Approximation of derivative of discrete function

Published on 29 Jul 2015 - 9:54

71

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Is there a closed-form solution (even approximated) to this inequality?

Published on 04 Apr 2026 - 15:17

257

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Is $e^{e^{2}}$ a relatively good approximation for $1000\phi$?

Published on 26 Mar 2026 - 19:24

276

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Tighter upper bounds with ratios of powers of norms

Published on 31 Jul 2015 - 23:22

66

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functions that jump from zero to value k and then decay back to zero

Published on 01 Aug 2015 - 7:35

114

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How to choose the extent of approximation for this equation?

Published on 02 Aug 2015 - 12:48

5.6k

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Iterative calculation of $\log x$

Published on 02 Aug 2015 - 14:11

149

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What functions stem from Fourier Series with rational-only coefficients?

Published on 04 Apr 2026 - 21:09

101

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Existence of a function

Published on 03 Aug 2015 - 13:34

216

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Use stirlings approximation to prove inequality.

Published on 03 Apr 2026 - 14:23

136

Views

Find the approximate square root of $(a^4-a^{-4})/(a^2-a^{-2})$

Published on 24 Feb 2026 - 19:05

List Question

Can I find a good approximation of this function?

Why can the elements of $L^\infty$ be approximated in $L^p$ by $C^1$-functions?

Fourier expansion of absolute value of a periodic function

Runge Phenomena and Taylor Expansion

Approximation of derivative of discrete function

Is there a closed-form solution (even approximated) to this inequality?

Is $e^{e^{2}}$ a relatively good approximation for $1000\phi$?

Tighter upper bounds with ratios of powers of norms

functions that jump from zero to value k and then decay back to zero

How to choose the extent of approximation for this equation?

Iterative calculation of $\log x$

What functions stem from Fourier Series with rational-only coefficients?

Existence of a function

Use stirlings approximation to prove inequality.

Find the approximate square root of $(a^4-a^{-4})/(a^2-a^{-2})$

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