User John Doe

7 votes

2 answers

885 views

Expected number of wrong seats on plane

asked Aug 9, 2018 at 1:28

5 votes

2 answers

1k views

Why some inverse functions do not have a closed form

asked Apr 30, 2017 at 3:21

4 votes

2 answers

505 views

Integral: $\int_{|z|\mathop=2}\sqrt{z^4-z}\,dz$ - finding Residues / Laurent Series

asked May 13, 2017 at 2:23

4 votes

3 answers

112 views

Solve $\int \frac{e^{x}(2-x^2)}{(1-x)\sqrt{1-x^2}}\mathrm dx$

asked Apr 4, 2019 at 0:18

4 votes

5 answers

547 views

Is this definite integral possible to evaluate? $\int_0^\infty\frac{\log x}{(1+x^2)^2}\,dx$

asked May 21, 2017 at 11:10

3 votes

1 answer

3k views

Proof that a holomorphic square root of function exists

asked May 16, 2017 at 20:24

3 votes

2 answers

786 views

How to show a function is a global maximum

asked May 19, 2017 at 1:20

3 votes

2 answers

460 views

Given complex polynomial with roots within an annulus, there exists its "square root" which is analytic outside this annulus

asked May 10, 2017 at 4:50

3 votes

0 answers

234 views

How to deduce general solution of DE using Mobius transform

asked Apr 27, 2018 at 4:26

3 votes

1 answer

114 views

Solving $\frac{\partial^2 f}{\partial x^2}+\frac1x\frac{\partial f}{\partial x}+\frac1{x^2}\frac{\partial^2 f}{\partial t^2}=-a$

asked May 13, 2017 at 16:34

3 votes

3 answers

104 views

$\int_{-\infty}^{\infty}e^{-x^n}dx$ converges $\iff n$ is even

asked May 5, 2017 at 21:29

3 votes

1 answer

916 views

Laurent series of functions with branch cuts

asked Feb 15, 2017 at 18:27

2 votes

0 answers

237 views

Intuition behind similarity solution for Heat equation

asked Apr 12, 2017 at 3:01

2 votes

1 answer

121 views

Showing a function is a function of only a variable $\eta(x,t)$

asked Apr 13, 2017 at 21:07

2 votes

4 answers

2k views

Do Hermite polynomials exist for negative integers?

asked Apr 17, 2017 at 16:32

2 votes

1 answer

61 views

Integration of $\frac{e^{-x^2/4}}{(2+x^2)^2}$

asked Apr 18, 2017 at 2:00

2 votes

1 answer

4k views

How to apply Euler-Lagrange equation when end points are not fixed

asked Jun 6, 2017 at 21:59

1 vote

1 answer

56 views

What do these prior distributions mean?

asked May 26, 2017 at 0:52

1 vote

1 answer

140 views

Confusion regarding finding Lie Point symmetries of $u_{xx}=0$

asked Dec 15, 2017 at 15:53

1 vote

0 answers

79 views

Timescale for fluid to reach maximum velocity

asked May 7, 2017 at 18:14

1 vote

1 answer

192 views

Where do Conformal maps map regions to?

asked May 15, 2017 at 2:48

1 vote

3 answers

240 views

Problem with 2nd order differential equation

asked Apr 17, 2017 at 2:32

1 vote

1 answer

2k views

Method to find inverse Fourier transform of $\frac{1}{k} \sin(k)$

asked Apr 6, 2017 at 15:02

1 vote

1 answer

117 views

Showing contour integral $\int_{C_R}\frac{e^{st}}{\sqrt{s}}\,ds$ goes to $0$

asked Apr 7, 2017 at 16:30

1 vote

2 answers

658 views

Inverse Fourier Transform of $e^{-ck}/k$

asked Dec 14, 2016 at 22:33

0 votes

2 answers

161 views

Symmetric matrix of finite order

asked Jan 17, 2017 at 12:23

0 votes

1 answer

238 views

Is $z=\infty$ a branch point of $f(z)=(z^{2}+1)^{1/2}$?

asked Feb 22, 2017 at 17:25

0 votes

1 answer

199 views

What does heat flux represent?

asked Apr 24, 2017 at 12:08

0 votes

1 answer

224 views

Why this finite difference method is stable for $r\leq1/2$

asked Apr 28, 2017 at 14:54

0 votes

0 answers

191 views

What is "theoretical order of accuracy"?

asked Apr 29, 2017 at 3:10

Stack Exchange Network

34 Questions

Expected number of wrong seats on plane

Why some inverse functions do not have a closed form

Integral: $\int_{|z|\mathop=2}\sqrt{z^4-z}\,dz$ - finding Residues / Laurent Series

Solve $\int \frac{e^{x}(2-x^2)}{(1-x)\sqrt{1-x^2}}\mathrm dx$

Is this definite integral possible to evaluate? $\int_0^\infty\frac{\log x}{(1+x^2)^2}\,dx$

Proof that a holomorphic square root of function exists

How to show a function is a global maximum

Given complex polynomial with roots within an annulus, there exists its "square root" which is analytic outside this annulus

How to deduce general solution of DE using Mobius transform

Solving $\frac{\partial^2 f}{\partial x^2}+\frac1x\frac{\partial f}{\partial x}+\frac1{x^2}\frac{\partial^2 f}{\partial t^2}=-a$

$\int_{-\infty}^{\infty}e^{-x^n}dx$ converges $\iff n$ is even

Laurent series of functions with branch cuts

Intuition behind similarity solution for Heat equation

Showing a function is a function of only a variable $\eta(x,t)$

Do Hermite polynomials exist for negative integers?

Integration of $\frac{e^{-x^2/4}}{(2+x^2)^2}$

How to apply Euler-Lagrange equation when end points are not fixed

What do these prior distributions mean?

Confusion regarding finding Lie Point symmetries of $u_{xx}=0$

Timescale for fluid to reach maximum velocity

Where do Conformal maps map regions to?

Problem with 2nd order differential equation

Method to find inverse Fourier transform of $\frac{1}{k} \sin(k)$

Showing contour integral $\int_{C_R}\frac{e^{st}}{\sqrt{s}}\,ds$ goes to $0$

Inverse Fourier Transform of $e^{-ck}/k$

Symmetric matrix of finite order

Is $z=\infty$ a branch point of $f(z)=(z^{2}+1)^{1/2}$?

What does heat flux represent?

Why this finite difference method is stable for $r\leq1/2$

What is "theoretical order of accuracy"?