Question

If $f: S\to \mathbb{R}$ and $f$ is differentiable of class $C^r$ at each point $x_0$ of $S$, then $f$ may be extended to a $C^r$ function

score 50 · Answer 1 · 2026-04-17 19:43:02

50

Views

If $f: S\to \mathbb{R}$ and $f$ is differentiable of class $C^r$ at each point $x_0$ of $S$, then $f$ may be extended to a $C^r$ function

Published on 17 Apr 2026 - 19:43

score 225 · Answer 2 · 2026-05-11 09:04:03

225

Views

Inverse Fourier Transform of a given frequency spectrum waveform

Published on 11 May 2026 - 9:04

score 49 · Answer 3 · 2026-05-10 16:53:20

49

Views

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Published on 10 May 2026 - 16:53

score 94 · Answer 4 · 2026-04-15 06:26:50

94

Views

Integral Iteration $\int_{0}^{2\pi}x^{2m}\cos 2nx dx$

Published on 15 Apr 2026 - 6:26

score 90 · Answer 5 · 2026-05-11 08:55:53

90

Views

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score 94 · Answer 6 · 2026-04-09 13:28:01

94

Views

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score 60 · Answer 7 · 2026-04-11 12:58:12

60

Views

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Published on 11 Apr 2026 - 12:58

score 47 · Answer 8 · 2026-04-13 17:10:54

47

Views

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score 288 · Answer 9 · 2026-04-14 07:20:53

288

Views

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score 347 · Answer 10 · 2026-04-15 01:33:49

347

Views

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score 299 · Answer 11 · 2026-05-15 18:16:40

299

Views

supremum of a function on an compact interval

Published on 15 May 2026 - 18:16

score 61 · Answer 12 · 2026-04-16 15:55:01

61

Views

Prov that $|xy-ab|-c^2< (|a|+|b|)c)$

Published on 16 Apr 2026 - 15:55

score 61 · Answer 13 · 2026-04-14 22:21:18

61

Views

When is a function of the type $\mathbb{R}^2 \rightarrow \mathbb{R}$ $C^2$?

Published on 14 Apr 2026 - 22:21

score 115 · Answer 14 · 2026-04-15 22:29:15

115

Views

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Published on 15 Apr 2026 - 22:29

score 32 · Answer 15 · 2026-04-15 10:42:59

32

Views

$A_{h_k}x(t)=x(t+h_k)$ converges strongly?

Published on 15 Apr 2026 - 10:42

List Question

If $f: S\to \mathbb{R}$ and $f$ is differentiable of class $C^r$ at each point $x_0$ of $S$, then $f$ may be extended to a $C^r$ function

Inverse Fourier Transform of a given frequency spectrum waveform

Finding derivative of function after finding inverse

Integral Iteration $\int_{0}^{2\pi}x^{2m}\cos 2nx dx$

Find the area bounded by the curve ..

Differentiating a convergent power series with "missing terms"

Simple Definition of Random Variable X>Y

Evaluating a definite integral with a complex exponent

Definition of increasing at point of a function

Substituting the Bessel function into the Bessel equation

supremum of a function on an compact interval

Prov that $|xy-ab|-c^2< (|a|+|b|)c)$

When is a function of the type $\mathbb{R}^2 \rightarrow \mathbb{R}$ $C^2$?

Taylor polynomial and remainder

$A_{h_k}x(t)=x(t+h_k)$ converges strongly?

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