List questions from complex-integration

Published on 15 May 2021 - 4:54

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Contour with steepest descent and ascent

Published on 01 Apr 2026 - 3:25

51

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Integral of $\frac{1+2z}{1+z}dz$

Published on 15 May 2021 - 11:21

45

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Closed Contour Integration

Published on 08 Apr 2026 - 1:30

871

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Contour Integral of $\oint_{|z|=1}\frac{\sin(z)}{z^2}\,dz$

Published on 17 May 2021 - 21:06

237

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Integration by parts for the conservation of energy of the Schrödinger equation

Published on 18 May 2021 - 20:36

30

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When does equality in the estimation lemma hold?

Published on 19 May 2021 - 11:57

229

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How do I solve this integral $\displaystyle\int_{0}^{+\infty} \frac{x^{2} \sin x}{x^{4}+a^{4}} \,dx$?

Published on 20 May 2021 - 21:33

1k

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Prove that $\int_{0}^{\infty}\frac{\sin(x)}{x}dx=\frac{\pi}{2}$ using contour integral

Published on 21 May 2021 - 7:51

34

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Can you use the inverse Z transform to compute a power series?

Published on 08 Apr 2026 - 6:57

54

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A continuous complex function such that $f(\mathbb{S}^{1})\subseteq\mathbb{R}$ verify $\left|\int_{S^{1}}f(z)dz\right| \leq 4\max_{x\in S^{1}}|f(z)|$

Published on 21 May 2021 - 21:39

93

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On what open subset of $\mathbb C$ can derivation be surjective?

Published on 26 Mar 2026 - 9:40

130

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find this integral $\int_{|z|=10} \frac{dz}{z^5+z+1}$

Published on 22 May 2021 - 10:40

46

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Question regarding an equality in a complex integral

Published on 24 May 2021 - 1:39

244

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Contour Integral of $\int_{0}^{\infty}\frac{\cos(x)}{(x^2+1)^2}dx$

Published on 24 May 2021 - 16:19

List Question

Exercise 23 of Rudin chapter 8

Contour with steepest descent and ascent

Integral of $\frac{1+2z}{1+z}dz$

Closed Contour Integration

Contour Integral of $\oint_{|z|=1}\frac{\sin(z)}{z^2}\,dz$

Integration by parts for the conservation of energy of the Schrödinger equation

When does equality in the estimation lemma hold?

How do I solve this integral $\displaystyle\int_{0}^{+\infty} \frac{x^{2} \sin x}{x^{4}+a^{4}} \,dx$?

Prove that $\int_{0}^{\infty}\frac{\sin(x)}{x}dx=\frac{\pi}{2}$ using contour integral

Can you use the inverse Z transform to compute a power series?

A continuous complex function such that $f(\mathbb{S}^{1})\subseteq\mathbb{R}$ verify $\left|\int_{S^{1}}f(z)dz\right| \leq 4\max_{x\in S^{1}}|f(z)|$

On what open subset of $\mathbb C$ can derivation be surjective?

find this integral $\int_{|z|=10} \frac{dz}{z^5+z+1}$

Question regarding an equality in a complex integral

Contour Integral of $\int_{0}^{\infty}\frac{\cos(x)}{(x^2+1)^2}dx$

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