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kevin
  • Member for 6 years, 8 months
  • Last seen more than 4 years ago
3 votes
0 answers
679 views

Cauchy integral theorem involving branch cut

2 votes
3 answers
95 views

Contour integration + paramerization of $\frac{1}{x^4+1}$

2 votes
1 answer
791 views

How to find branch point of z^(-1/2)

2 votes
1 answer
1k views

How to proof variance of the sum $x+y$ is the sum of variance $\sigma_x^2$ of $x$ and the variance $\sigma_y^2$ of $y$?

1 vote
1 answer
571 views

Applying Fourier transform + Green's function on diffusion equation question

1 vote
1 answer
148 views

How to integrate delta function?

1 vote
1 answer
216 views

contour integral and branch cut question

1 vote
0 answers
251 views

How to approach branch cut question that involves infinitesmal stuff?

1 vote
3 answers
93 views

How to find $\sqrt{-i}$ correctly?

1 vote
1 answer
3k views

Calculate moment of inerta of cylinder along central diameter using inertia tensor

1 vote
1 answer
516 views

how to deal with principal value integral qns that have three poles?

0 votes
1 answer
90 views

How to find the residue of $\frac{\mathrm{e}^{z}}{\sin(2\mathrm{i}z)}$

0 votes
1 answer
318 views

how to calculate contour integral for semi circle as shown

0 votes
1 answer
248 views

How to find branch point of $z^z$

0 votes
2 answers
7k views

How do i find domain of $\tan(z)$ that is differentiable??

0 votes
1 answer
30 views

How to find value of each branch

0 votes
0 answers
116 views

What is limiting expression formula and how to find it?

0 votes
1 answer
1k views

How to find eigenvalue of $\sigma$ and $\sigma^2$

0 votes
1 answer
88 views

How to prove fourier spectrum symmetrical at k=0