List questions from approximate-integration

Published on 14 Jun 2022 - 1:46

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Follow up question: asymptotics of a two dimensional integral

Published on 16 Jun 2022 - 21:07

245

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Evaluate $\iint(x^{2} + y^{2})dx\,dy$ over the area in the first quadrant bounded by the circle $x^2 + y^2 = a^2$.

Published on 11 Jul 2022 - 3:50

48

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Numerical integration, which quadrature formula use?

Published on 25 Mar 2026 - 23:36

109

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Find the value of $x(t)$ when $x'(t)=0$ given $x''(t) = a\cdot x'(t) / x(t)$ and some initial conditions

Published on 02 Sep 2022 - 6:20

44

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What is the most efficient way to calculate $I =\int_0^1 (1-x)^{1/2}(x^3+1) $and what is the degree of the interpolating polynomial used? $

Published on 13 Sep 2022 - 18:34

141

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How do I perform a saddle point approximation to approximately find the integral $\int_{-\pi/2}^{\pi/2} \cos^n(x) dx$?

Published on 14 Sep 2022 - 16:08

59

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Name of integration technique where product term is near constant over the interval?

Published on 29 Sep 2022 - 23:12

92

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Solving ODE with derivative boundary condition with finite difference method by central approximation

Published on 14 Oct 2022 - 10:07

142

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Numerical Integration over Triangles in 2D

Published on 25 Mar 2026 - 20:34

217

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Please help in calculating Integral on the unit ball.

Published on 15 Jan 2023 - 16:38

113

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How can I asymptotically expand $\frac{1}{\theta}\int_{-\infty}^{t}\exp\left(\frac{s-t}{\theta}\right)\frac{d}{ds}D(s)\mathrm{d}s?$ to linear order?

Published on 24 Jan 2023 - 21:40

138

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Discrepancy in value of $\int_0^\frac\pi2 \delta(\tan(t)-xt)dt$

Published on 25 Jan 2023 - 3:17

List Question

Asymptotics of a two dimensional integral

Follow up question: asymptotics of a two dimensional integral

Evaluate $\iint(x^{2} + y^{2})dx\,dy$ over the area in the first quadrant bounded by the circle $x^2 + y^2 = a^2$.

Numerical integration, which quadrature formula use?

Find the value of $x(t)$ when $x'(t)=0$ given $x''(t) = a\cdot x'(t) / x(t)$ and some initial conditions

What is the most efficient way to calculate $I =\int_0^1 (1-x)^{1/2}(x^3+1) $and what is the degree of the interpolating polynomial used? $

How do I perform a saddle point approximation to approximately find the integral $\int_{-\pi/2}^{\pi/2} \cos^n(x) dx$?

Name of integration technique where product term is near constant over the interval?

Solving ODE with derivative boundary condition with finite difference method by central approximation

Numerical Integration over Triangles in 2D

Please help in calculating Integral on the unit ball.

How can I asymptotically expand $\frac{1}{\theta}\int_{-\infty}^{t}\exp\left(\frac{s-t}{\theta}\right)\frac{d}{ds}D(s)\mathrm{d}s?$ to linear order?

Discrepancy in value of $\int_0^\frac\pi2 \delta(\tan(t)-xt)dt$

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