Question

How do I compute the maximum value of the solution of this differential equation?

score 102 · Answer 1 · 2026-03-31 15:45:49

102

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How do I compute the maximum value of the solution of this differential equation?

Published on 31 Mar 2026 - 15:45

score 33 · Answer 2 · 2022-01-10 05:47:29

33

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Calculus on the half positive space

Published on 10 Jan 2022 - 5:47

score 224 · Answer 3 · 2022-01-12 16:47:45

224

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Infimum and supremum of the function $f(x)=\frac{x^2+x}{x-1}$

Published on 12 Jan 2022 - 16:47

score 37 · Answer 4 · 2022-01-13 01:32:11

37

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If $f$ is linear, then $\sup_{x\in G} f(x) + \sup_{y\in L} f(y) = \sup_{z\in G+L} f(z)$

Published on 13 Jan 2022 - 1:32

score 143 · Answer 5 · 2022-01-17 09:35:34

143

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Do any terms in mathematics exist to describe these concepts?

Published on 17 Jan 2022 - 9:35

score 48 · Answer 6 · 2022-01-17 19:09:40

48

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Supremum of $\mathbb D \cap \left[0,\frac{1}{3}\right]$

Published on 17 Jan 2022 - 19:09

score 46 · Answer 7 · 2022-01-18 10:55:02

46

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Supremum of a set with sequence

Published on 18 Jan 2022 - 10:55

score 208 · Answer 8 · 2022-01-18 14:28:36

208

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Prove that the supremum of a set is unique

Published on 18 Jan 2022 - 14:28

score 36 · Answer 9 · 2026-04-01 02:05:49

36

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Proof of completeness of the set of natural numbers

Published on 01 Apr 2026 - 2:05

score 81 · Answer 10 · 2022-01-27 03:39:56

81

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$\max_{k=1}^{n}|x_k| \xrightarrow[\text{}]{\text{$n \rightarrow \infty$}} \sup_{k=1}^{\infty}|x_k|$

Published on 27 Jan 2022 - 3:39

score 94 · Answer 11 · 2022-01-27 15:39:02

94

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The total variation of a continuous $f$ satisfies: $\lim_{\epsilon \to \infty} T_\epsilon ^1(f) = T_0^1(f)$.

Published on 27 Jan 2022 - 15:39

score 74 · Answer 12 · 2026-03-26 02:56:25

74

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Prove $\sup_{1 \leq n < \infty} \|\sum_{i=1}^n \alpha_i x_i\| \leq \lim_{n \rightarrow \infty} \sup_{1 \leq k \leq n} \|\sum_{i=1}^k \alpha_i x_i\|$

Published on 26 Mar 2026 - 2:56

score 101 · Answer 13 · 2026-04-07 09:01:38

101

Views

Finding a "recovery" sequence for $f$

Published on 07 Apr 2026 - 9:01

score 194 · Answer 14 · 2026-04-06 22:16:06

194

Views

What is the largest ordinal number that is also a natural number?

Published on 06 Apr 2026 - 22:16

score 331 · Answer 15 · 2022-02-06 18:23:55

331

Views

Let $A\subset \mathbb{R}$. Prove that $\sup(A) \in \mathrm{cl}(A)$.

Published on 06 Feb 2022 - 18:23

List Question

How do I compute the maximum value of the solution of this differential equation?

Calculus on the half positive space

Infimum and supremum of the function $f(x)=\frac{x^2+x}{x-1}$

If $f$ is linear, then $\sup_{x\in G} f(x) + \sup_{y\in L} f(y) = \sup_{z\in G+L} f(z)$

Do any terms in mathematics exist to describe these concepts?

Supremum of $\mathbb D \cap \left[0,\frac{1}{3}\right]$

Supremum of a set with sequence

Prove that the supremum of a set is unique

Proof of completeness of the set of natural numbers

$\max_{k=1}^{n}|x_k| \xrightarrow[\text{}]{\text{$n \rightarrow \infty$}} \sup_{k=1}^{\infty}|x_k|$

The total variation of a continuous $f$ satisfies: $\lim_{\epsilon \to \infty} T_\epsilon ^1(f) = T_0^1(f)$.

Prove $\sup_{1 \leq n < \infty} \|\sum_{i=1}^n \alpha_i x_i\| \leq \lim_{n \rightarrow \infty} \sup_{1 \leq k \leq n} \|\sum_{i=1}^k \alpha_i x_i\|$

Finding a "recovery" sequence for $f$

What is the largest ordinal number that is also a natural number?

Let $A\subset \mathbb{R}$. Prove that $\sup(A) \in \mathrm{cl}(A)$.

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