List questions from approximation

Published on 05 Jul 2017 - 20:13

142

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Asymptotic value of a summation

Published on 06 Jul 2017 - 7:16

596

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How does one find a polynomial approximation of a non-analytic function?

Published on 11 Apr 2026 - 7:53

2.8k

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Feynman's Trick for Approximating $e^x$

Published on 07 Jul 2017 - 2:02

291

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Find the cubic near-minimax or Chebyshev approximation for $f(x)=\sin(x)$

Published on 26 Mar 2026 - 12:38

55

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For what $a, b, C$ is $C(5u_{n+1}+au_{n-1} - bu_{n})\approx u^{\prime\prime}$?

Published on 28 Mar 2026 - 23:59

735

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Riemann Sum Approximation (confused...)

Published on 11 Apr 2026 - 16:20

48

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Approximate a smooth $f(x,y)$ function with a polynomial function

Published on 11 Jul 2017 - 20:16

112

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Approximation sign $\approx$ convention

Published on 27 Mar 2026 - 4:15

304

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Approximation for integral involving a square root of a polynomial

Published on 09 Apr 2026 - 21:37

121

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Normal Binomial distribution

Published on 01 Apr 2026 - 18:45

5.2k

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Diagonal approximation of the inverse Hessian matrix

Published on 30 Mar 2026 - 4:39

52

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Solving a System of Equation which wont give perfect answers

Published on 11 Apr 2026 - 15:42

113

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Second Integral of Modified Bessel function $ k_o(z)$

Published on 11 Apr 2026 - 18:12

419

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Is there an analytic approximation of the following function

Published on 29 Mar 2026 - 7:28

List Question

The integral of $\int_{0}^{\infty}\frac{x}{1+ax^{-\alpha}}(\exp(-\frac{[x+c]^{2}}{2b}))dx$

Asymptotic value of a summation

How does one find a polynomial approximation of a non-analytic function?

Feynman's Trick for Approximating $e^x$

Find the cubic near-minimax or Chebyshev approximation for $f(x)=\sin(x)$

For what $a, b, C$ is $C(5u_{n+1}+au_{n-1} - bu_{n})\approx u^{\prime\prime}$?

Riemann Sum Approximation (confused...)

Approximate a smooth $f(x,y)$ function with a polynomial function

Approximation sign $\approx$ convention

Approximation for integral involving a square root of a polynomial

Normal Binomial distribution

Diagonal approximation of the inverse Hessian matrix

Solving a System of Equation which wont give perfect answers

Second Integral of Modified Bessel function $ k_o(z)$

Is there an analytic approximation of the following function

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