Question

Complex numbers question about the relation between arguments

score 65 · Answer 1 · 2026-04-10 20:47:02

65

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Complex numbers question about the relation between arguments

Published on 10 Apr 2026 - 20:47

score 419 · Answer 2 · 2026-03-28 06:30:18

419

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Conformal Mapping $w=z^2$

Published on 28 Mar 2026 - 6:30

score 136 · Answer 3 · 2026-04-13 04:09:23

136

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Bound on the distance between rotation matrices in 2 dimensions.

Published on 13 Apr 2026 - 4:09

score 111 · Answer 4 · 2026-04-14 01:15:29

111

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Image of complex function $f$ in complex plane

Published on 14 Apr 2026 - 1:15

score 34 · Answer 5 · 2026-04-14 02:08:31

34

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How to show that the row vectors of a special unitary group of degree 2 form an orthonormal basis?

Published on 14 Apr 2026 - 2:08

score 34 · Answer 6 · 2026-04-15 06:24:18

34

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Find the complex number $p+qi$.

Published on 15 Apr 2026 - 6:24

score 69 · Answer 7 · 2026-04-20 11:55:17

69

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How can I show that $uv = 5 + 2 i \sqrt{3}$ implies that either $u$ or $v$ is $1$ or $-1$?

Published on 20 Apr 2026 - 11:55

score 97 · Answer 8 · 2026-05-06 08:01:06

97

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Proving $\sum_{r=0}^{n-1} (-1)^r \cos^n{\left(\frac{r\pi}{n}\right)}=\frac{n}{2^{n-1}}$

Published on 06 May 2026 - 8:01

score 224 · Answer 9 · 2026-04-17 12:24:24

224

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Rewriting $-\sin\theta+i\cos\theta$ and $-\sin\theta-i\cos\theta$ as complex exponentials

Published on 17 Apr 2026 - 12:24

score 321 · Answer 10 · 2026-04-13 22:35:59

321

Views

Gamma Function Specifics and properties

Published on 13 Apr 2026 - 22:35

score 41 · Answer 11 · 2026-04-16 18:49:53

41

Views

"Diophantine Equation" using complex numbers mod 10^6

Published on 16 Apr 2026 - 18:49

score 134 · Answer 12 · 2026-04-11 13:58:25

134

Views

Polar Form in Complex Numbers

Published on 11 Apr 2026 - 13:58

score 178 · Answer 13 · 2026-04-13 08:53:32

178

Views

Domain and range of a function defined by $\mathbb{C} \rightarrow \mathbb{R}$

Published on 13 Apr 2026 - 8:53

score 551 · Answer 14 · 2026-05-11 00:33:04

551

Views

Properties lost when going from real number system to quaternions and octonions

Published on 11 May 2026 - 0:33

score 36 · Answer 15 · 2026-04-09 13:01:31

36

Views

Is there a geometric representation of a complex shape? E.g. a ‘triangle’ defined by complex vectors

Published on 09 Apr 2026 - 13:01

List Question

Complex numbers question about the relation between arguments

Conformal Mapping $w=z^2$

Bound on the distance between rotation matrices in 2 dimensions.

Image of complex function $f$ in complex plane

How to show that the row vectors of a special unitary group of degree 2 form an orthonormal basis?

Find the complex number $p+qi$.

How can I show that $uv = 5 + 2 i \sqrt{3}$ implies that either $u$ or $v$ is $1$ or $-1$?

Proving $\sum_{r=0}^{n-1} (-1)^r \cos^n{\left(\frac{r\pi}{n}\right)}=\frac{n}{2^{n-1}}$

Rewriting $-\sin\theta+i\cos\theta$ and $-\sin\theta-i\cos\theta$ as complex exponentials

Gamma Function Specifics and properties

"Diophantine Equation" using complex numbers mod 10^6

Polar Form in Complex Numbers

Domain and range of a function defined by $\mathbb{C} \rightarrow \mathbb{R}$

Properties lost when going from real number system to quaternions and octonions

Is there a geometric representation of a complex shape? E.g. a ‘triangle’ defined by complex vectors

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