List questions from absolute-value

Published on 26 Apr 2013 - 15:23

96

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Prove That $|a +b| = |a| +|b|$ if $a$ and $b$ Have Same Signs, And $|a +b| < |a| + |b|$ if $a$ and $b$ Have Opposite Signs (Proved Differently)

Published on 26 Apr 2013 - 16:38

68

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Solving the inequality $|-9v| \le 54$

Published on 01 May 2013 - 10:05

10.3k

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How does one DERIVE the formula for the maximum of two numbers

Published on 06 May 2013 - 1:32

2.1k

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how to find absolute value for complex fraction

Published on 07 May 2013 - 16:40

511

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Absolute values in $\int \frac{dx}{(x+2)\sqrt{(x+1)(x+3)}}$

Published on 10 May 2013 - 15:17

1.1k

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How to linearize the following LP

Published on 12 May 2013 - 9:26

332

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Is any norm on $\mathbb R^n$ invariant with respect to componentwise absolute value?

Published on 14 May 2013 - 20:44

4.1k

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Evaluating limits involving absolute values: $\lim_{x\to\pm6} \frac{2x+12}{|x+6|}$

Published on 16 May 2013 - 1:34

3.9k

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How to graph an absolute value equation?

Published on 16 May 2013 - 11:04

444

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Calculation of the sub gradient of the first norm of a matrix

Published on 25 Mar 2026 - 23:11

151

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Simplifying $\left|\left|\sqrt{-x^2}-1\right|-2\right|$

Published on 18 May 2013 - 23:54

259

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Question based on Triangle Inequality $\displaystyle |x+y|\leq |x|+|y|$

Published on 22 May 2013 - 4:26

1.4k

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Prove the monotonicity of the expectation of a binary random variable function

Published on 27 May 2013 - 12:37

3.7k

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Absolute value of infinite sum smaller than infinite sum of absolute values

Published on 01 Jun 2013 - 16:00

List Question

What is the modulus of a number?

Prove That $|a +b| = |a| +|b|$ if $a$ and $b$ Have Same Signs, And $|a +b| < |a| + |b|$ if $a$ and $b$ Have Opposite Signs (Proved Differently)

Solving the inequality $|-9v| \le 54$

How does one DERIVE the formula for the maximum of two numbers

how to find absolute value for complex fraction

Absolute values in $\int \frac{dx}{(x+2)\sqrt{(x+1)(x+3)}}$

How to linearize the following LP

Is any norm on $\mathbb R^n$ invariant with respect to componentwise absolute value?

Evaluating limits involving absolute values: $\lim_{x\to\pm6} \frac{2x+12}{|x+6|}$

How to graph an absolute value equation?

Calculation of the sub gradient of the first norm of a matrix

Simplifying $\left|\left|\sqrt{-x^2}-1\right|-2\right|$

Question based on Triangle Inequality $\displaystyle |x+y|\leq |x|+|y|$

Prove the monotonicity of the expectation of a binary random variable function

Absolute value of infinite sum smaller than infinite sum of absolute values

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