Question

Software for 3D graphing complex functions?

score 8.5k · Answer 1 · 2026-04-09 23:47:28

8.5k

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Software for 3D graphing complex functions?

Published on 09 Apr 2026 - 23:47

score 36 · Answer 2 · 2019-08-22 04:26:04

36

Views

determine the powers and roots of given complex number

Published on 22 Aug 2019 - 4:26

score 68 · Answer 3 · 2019-08-22 06:57:37

68

Views

How to show ${\dfrac{1}{2}}(e^{\lambda t}x + e^{\overline{\lambda}t}{\overline{x}})=Re(e^{\lambda t}x)$?

Published on 22 Aug 2019 - 6:57

score 416 · Answer 4 · 2026-04-09 12:07:08

416

Views

Complex numbers and linear transformation

Published on 09 Apr 2026 - 12:07

score 73 · Answer 5 · 2026-03-27 14:55:14

73

Views

How to show that $M:=\{(a,b,c)\in\Bbb R^3 \,\,∣\,\,a^3+b^3+c^3−3abc=1\}$ is not a compact space?

Published on 27 Mar 2026 - 14:55

score 2.1k · Answer 6 · 2026-03-30 13:41:26

2.1k

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For the purposes of DFT, is "the" primitive root of unity $w_n = e^{ 2\pi i / n }$ or $w_n = e^{-2\pi i / n }$?

Published on 30 Mar 2026 - 13:41

score 53 · Answer 7 · 2026-03-28 01:35:24

53

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How do I find the real or imaginary part of this complex equation?

Published on 28 Mar 2026 - 1:35

score 17 · Answer 8 · 2026-03-16 10:41:18

17

Views

$ \{(b\overline{a},1);\;(a,b) \in \mathbb{C}^2\}=\mathbb{C}\times \{1\} $

Published on 16 Mar 2026 - 10:41

score 72 · Answer 9 · 2026-04-11 05:31:52

72

Views

For polynomial $f$ : $\forall z \in \mathbb{C} : |zf(z)| \leq |z|^k \implies |f(z)| \leq |z|^{k-1}$?

Published on 11 Apr 2026 - 5:31

score 51 · Answer 10 · 2019-08-25 12:22:28

51

Views

$\left |\sum_{k=1}^n\epsilon_ke^{ik\theta}\right |\ge \sqrt{n}$

Published on 25 Aug 2019 - 12:22

score 155 · Answer 11 · 2026-04-02 16:16:21

155

Views

Exponential of complex square root

Published on 02 Apr 2026 - 16:16

score 70 · Answer 12 · 2026-04-03 16:53:31

70

Views

When limit of complex function exists and nonzero? What did I do wrong?

Published on 03 Apr 2026 - 16:53

score 2.8k · Answer 13 · 2019-08-25 23:35:42

2.8k

Views

Find real numbers c and d from $\frac{1}{a+bi}$

Published on 25 Aug 2019 - 23:35

score 56 · Answer 14 · 2019-08-26 19:48:00

56

Views

Showing a complex inequality

Published on 26 Aug 2019 - 19:48

score 72 · Answer 15 · 2019-08-26 23:06:11

72

Views

Solve for $x$ and $y$ in $\left( \frac{1+i}{1-i} \right)^2+\frac{1}{x+yi}=2+5i$

Published on 26 Aug 2019 - 23:06

List Question

Software for 3D graphing complex functions?

determine the powers and roots of given complex number

How to show ${\dfrac{1}{2}}(e^{\lambda t}x + e^{\overline{\lambda}t}{\overline{x}})=Re(e^{\lambda t}x)$?

Complex numbers and linear transformation

How to show that $M:=\{(a,b,c)\in\Bbb R^3 \,\,∣\,\,a^3+b^3+c^3−3abc=1\}$ is not a compact space?

For the purposes of DFT, is "the" primitive root of unity $w_n = e^{ 2\pi i / n }$ or $w_n = e^{-2\pi i / n }$?

How do I find the real or imaginary part of this complex equation?

$ \{(b\overline{a},1);\;(a,b) \in \mathbb{C}^2\}=\mathbb{C}\times \{1\} $

For polynomial $f$ : $\forall z \in \mathbb{C} : |zf(z)| \leq |z|^k \implies |f(z)| \leq |z|^{k-1}$?

$\left |\sum_{k=1}^n\epsilon_ke^{ik\theta}\right |\ge \sqrt{n}$

Exponential of complex square root

When limit of complex function exists and nonzero? What did I do wrong?

Find real numbers c and d from $\frac{1}{a+bi}$

Showing a complex inequality

Solve for $x$ and $y$ in $\left( \frac{1+i}{1-i} \right)^2+\frac{1}{x+yi}=2+5i$

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