Question

Absolute value in integrals leading to logs

score 31 · Answer 1 · 2024-02-04 05:42:49

31

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Absolute value in integrals leading to logs

Published on 04 Feb 2024 - 5:42

score 57 · Answer 2 · 2026-03-31 18:05:03

57

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Is $\lceil x \rceil=\frac{1}{2}(1+ \sum_{n=-\infty}^{+\infty}(\operatorname{sgn}(x-n)-|\operatorname{sgn}(x-n)|+1+\operatorname{sgn}(n)))$ true?

Published on 31 Mar 2026 - 18:05

score 127 · Answer 3 · 2026-03-28 15:36:40

127

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How to compute $\displaystyle\lim_{n\to\infty} \frac1{n+1}\sum_{k=1}^n \left|X+\frac kn\right|-\left|X-\frac kn\right|$?

Published on 28 Mar 2026 - 15:36

score 15 · Answer 4 · 2026-03-04 21:09:38

15

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The value of the vertex in a absolute value graph

Published on 04 Mar 2026 - 21:09

score 153 · Answer 5 · 2024-02-15 10:40:47

153

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Proving a function has a compact support

Published on 15 Feb 2024 - 10:40

score 121 · Answer 6 · 2026-03-26 09:26:26

121

Views

Find recurrence relation for sum of absolute deviations in a sequence

Published on 26 Mar 2026 - 9:26

score 27 · Answer 7 · 2024-02-24 17:24:47

27

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Searching for a more concise solution to $|x - 1| + |x + 1| < 2$

Published on 24 Feb 2024 - 17:24

score 51 · Answer 8 · 2024-02-27 01:14:04

51

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Statistics Question about the Probability of Absolute Values

Published on 27 Feb 2024 - 1:14

score 47 · Answer 9 · 2026-03-26 12:49:20

47

Views

Morse and Fesbach identity $\sum_{n=0}^{\infty} e^{-(n+\frac{1}{2})|u|} \; P_n(x) =(2\cosh u - 2x)^{-1/2}$

Published on 26 Mar 2026 - 12:49

score 87 · Answer 10 · 2024-03-16 07:22:25

87

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How to solve $|x-5| + |x-4| ≥ 3$

Published on 16 Mar 2024 - 7:22

score 100 · Answer 11 · 2026-03-02 07:10:39

100

Views

The upper bound for the max of absolute values of Gaussian distribution

Published on 02 Mar 2026 - 7:10

score 91 · Answer 12 · 2024-03-22 14:32:44

91

Views

Absolute value of complex numbers $|a+bi|$

Published on 22 Mar 2024 - 14:32

score 26 · Answer 13 · 2024-03-22 22:44:38

26

Views

How do you present the absolute value as a norm and derive results?

Published on 22 Mar 2024 - 22:44

score 32 · Answer 14 · 2024-03-24 06:54:34

32

Views

data sufficiency problem (from a university entrance exam) involving an absolute value equation

Published on 24 Mar 2024 - 6:54

score 69 · Answer 15 · 2026-02-23 13:30:50

69

Views

How do you prove $\lvert x - y \rvert < 1$ then $\lvert x\rvert<\lvert y\rvert +1 $?

Published on 23 Feb 2026 - 13:30

List Question

Absolute value in integrals leading to logs

Is $\lceil x \rceil=\frac{1}{2}(1+ \sum_{n=-\infty}^{+\infty}(\operatorname{sgn}(x-n)-|\operatorname{sgn}(x-n)|+1+\operatorname{sgn}(n)))$ true?

How to compute $\displaystyle\lim_{n\to\infty} \frac1{n+1}\sum_{k=1}^n \left|X+\frac kn\right|-\left|X-\frac kn\right|$?

The value of the vertex in a absolute value graph

Proving a function has a compact support

Find recurrence relation for sum of absolute deviations in a sequence

Searching for a more concise solution to $|x - 1| + |x + 1| < 2$

Statistics Question about the Probability of Absolute Values

Morse and Fesbach identity $\sum_{n=0}^{\infty} e^{-(n+\frac{1}{2})|u|} \; P_n(x) =(2\cosh u - 2x)^{-1/2}$

How to solve $|x-5| + |x-4| ≥ 3$

The upper bound for the max of absolute values of Gaussian distribution

Absolute value of complex numbers $|a+bi|$

How do you present the absolute value as a norm and derive results?

data sufficiency problem (from a university entrance exam) involving an absolute value equation

How do you prove $\lvert x - y \rvert < 1$ then $\lvert x\rvert<\lvert y\rvert +1 $?

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