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12h
revised Integrating a contour of circle with singularities.
edited tags
12h
revised Evaluating $\int_0^{\infty}e^{-\alpha x^2 \cos \beta} \cos(\alpha x^2 \sin \beta) dx$
edited tags
12h
revised Computing $\int_{0}^\infty\frac{t^a}{1+t^2}dt$ for $-1<a<0$
edited tags
2d
comment Double integral of $\arctan(x + y)$?
@user234189: that is just experience. You are integrating over a function of $x+y$, so it makes sense to explore this transformation.
2d
comment Double integral of $\arctan(x + y)$?
@user234189: you can solve for $x$ and $y$ from $u$ and $v$, right?
2d
answered Double integral of $\arctan(x + y)$?
Apr
23
revised Calculate the Fourier transform of ${\rm b}\left(x\right) = 1/\left(x^{2} +a^{2}\right)$
edited tags
Apr
23
answered Chemical kinetics using Laplace transformation
Apr
23
comment Integral - complex exp. term
"Does anyone know a suitable method...?" So I guess displaying the answer from some computer output is the suitable method here.
Apr
23
revised Compute the following integral, where $C$ is the circle $|z|=3$
edited tags
Apr
23
revised Compute the following integral, where $C$ is the circle $|z|=3$
added 312 characters in body
Apr
23
answered Compute the following integral, where $C$ is the circle $|z|=3$
Apr
23
answered How to find the inverse Laplace transform and solve for a?
Apr
22
comment Evaluating an integral using Gamma function
@Frank: people here don't like no-effort, homework questions. Unfortunately, many people put questions like this in that category. I strongly disagree, but there you have it.
Apr
22
revised Evaluating an integral using Gamma function
added 3 characters in body
Apr
22
revised Evaluating an integral using Gamma function
added 680 characters in body
Apr
22
revised Evaluating an integral using Gamma function
added 680 characters in body
Apr
22
revised Evaluating an integral using Gamma function
edited tags
Apr
22
answered Evaluating an integral using Gamma function
Apr
21
answered $\frac{1}{2\pi i}\int_{\gamma-i\infty}^{\gamma+i\infty}\frac{1}{s^2}e^{s(t - \frac{1}{2}x^2)}ds$ - different answers depending on value of $t$?