Alternative methods of evaluating the Gaussian integral $\int_{-\infty}^{\infty}e^{-z^2}dz$
87733
Calculate the Gauss integral without squaring it first
41372
Stuck on crucial step while computing $\int_{- \infty}^{\infty} e^{-t^2}dt$
3068
Evaluating $\int_0^\infty \sin x^2\, dx$ with real methods?
15625
Computing $\int_0^\infty\mathrm{d} x\frac{x}{e^x+1}$ with contour integration
41867
Best way to evaluate integral with contour integration?
20025
Fourier transform of $\exp(-t^2)$ using contour integration.
48233
Evaluating $\int_0^\infty \frac{dx}{1+x^4}$.
137289
Applying Fourier transform to a gaussian
128600
How to evaluate this integral$\int_{-\infty}^\infty\dfrac{\omega^\alpha e^{i\omega t}}{(\omega_0^2-\omega^2)^{2}+4(\zeta\omega_0\omega)^2}\,d\omega$
145183
finding $\int_0^\infty \dfrac{dx}{1+x^4}$ through complex analysis
123694
How to compute the integral $\int_{0}^{\infty} \frac{x^{1/3}}{1+x^{2}} \ dx$
100559
Gaussian integral with a shift in the complex plane
93071
Is there a way to calculate the improper integral $\int_0^\infty \big(\frac{\ln x}{x - 1}\big)^2 dx$?
23087
Evaluate $\int_0^\infty \frac{(\log x)^2}{1+x^2} dx$ using complex analysis
31964
Evaluating $\int_0^{\infty}\frac{\ln(x^2+1)}{x^2+1}dx$
87273
Evaluate the integral $\int_0^{\infty} \lfloor x \rfloor e^{-x}\mathrm dx$
146737
Integrate $\iiint_E z\,dx\,dy\,dz$ in $E=\lbrace(x,y,z) : x^2+y^2+z^2 \leq 4, z \leq 1 \rbrace$