List questions from approximate-integration

Published on 26 Sep 2021 - 17:48

86

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Please help me solve this integral

Published on 15 Oct 2021 - 13:35

91

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Problem understanding the Stationary-Phase-Approximation example of Wikipedia?

Published on 01 Nov 2021 - 18:53

137

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LaGrange Multiplier constrain with discretised functions (Matlab)

Published on 04 Nov 2021 - 10:01

156

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To determine the integration of $ \int_{0}^{+\infty} \exp\!\Big(-\Big(\frac{ax^2+bx+c}{gx+h}\Big)\Big) dx$.

Published on 15 Nov 2021 - 3:58

60

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Numerical Integration on Some Points in xy-plane

Published on 19 Nov 2021 - 6:57

27

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An integral approximation for $Q = \sum_x f(x) $ when $\tan(C x) = x$

Published on 25 Dec 2021 - 22:39

38

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Spectrally-Accurate Quadrature of Singular Integrand

Published on 25 Mar 2026 - 16:40

93

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Numerical quadrature with preassigned points

Published on 25 Mar 2026 - 19:10

35

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Approximation of a function using n intervals

Published on 26 Mar 2026 - 4:28

119

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How do you find weights for unevenly spaced quadrature rules?

Published on 25 Mar 2026 - 19:10

65

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An complicated integral involving Erfi function

Published on 13 Feb 2022 - 6:43

52

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Approximating an integral in the from $e^{1/(a+bx/c)}$

Published on 08 Mar 2022 - 23:43

67

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Advantage of "integrating by differentiating" ie.$\def\e{\varepsilon}\int_a^b f(x)dx=\lim_{\e\to0}f(d/d\e)\frac{e^{\e b}-e^{\e a}}\e$

Published on 15 May 2022 - 18:42

267

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Asymptotic behavior of integral with Laplace's method

Published on 26 Mar 2026 - 4:51

List Question

The time complexity of integral evaluation

Please help me solve this integral

Problem understanding the Stationary-Phase-Approximation example of Wikipedia?

LaGrange Multiplier constrain with discretised functions (Matlab)

To determine the integration of $ \int_{0}^{+\infty} \exp\!\Big(-\Big(\frac{ax^2+bx+c}{gx+h}\Big)\Big) dx$.

Numerical Integration on Some Points in xy-plane

An integral approximation for $Q = \sum_x f(x) $ when $\tan(C x) = x$

Spectrally-Accurate Quadrature of Singular Integrand

Numerical quadrature with preassigned points

Approximation of a function using n intervals

How do you find weights for unevenly spaced quadrature rules?

An complicated integral involving Erfi function

Approximating an integral in the from $e^{1/(a+bx/c)}$

Advantage of "integrating by differentiating" ie.$\def\e{\varepsilon}\int_a^b f(x)dx=\lim_{\e\to0}f(d/d\e)\frac{e^{\e b}-e^{\e a}}\e$

Asymptotic behavior of integral with Laplace's method

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