List questions from interval-arithmetic

Published on 28 Oct 2017 - 17:54

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Let $x \in \Bbb{R}$. Prove $1 \leq x \leq 2$ if and only if $1 \leq x \leq 1 + \frac{1}{n}$ for some $n \in \mathbb{N}$?

Published on 29 Oct 2017 - 15:45

55

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Finding the right interval

Published on 31 Aug 2020 - 17:13

31

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Range of a picewise defined function

Published on 23 Sep 2020 - 13:16

359

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Does "between A and B" include the endpoints? (Eg, "What is the probability [of] between $2$ and $6$ [manufacturing] imperfections ...?")

Published on 02 Nov 2020 - 20:29

210

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Is $[x, x)$ an invalid interval for all real values of $x$?

Published on 03 Nov 2020 - 16:00

36

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Number line plotting intervals with unique/non-repeating multiples

Published on 23 Feb 2026 - 12:48

32

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Maxima of expression on given interval

Published on 10 Nov 2020 - 14:47

33

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Find the smallest $k$ such that $kx \bmod n \in [a,b]$

Published on 18 Nov 2020 - 0:29

36

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A Symmetric Numeric System of Multiplicative Inverses?

Published on 22 Nov 2020 - 21:09

33

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Finding specific interval

Published on 29 Nov 2020 - 7:23

29

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How many evenly spaced steps around unit circle until no gap bigger the Epsillon?

Published on 03 Dec 2020 - 12:11

131

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How to express an interval in a cost function

Published on 04 Dec 2020 - 13:32

367

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Largest interval of a differential equation

Published on 19 Dec 2020 - 8:46

197

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Is there a special name given if a number is on the edge of an interval?

Published on 19 Jan 2021 - 15:55

List Question

Show that [4,5] and [4,12] are equivalent or have the same cardinality

Let $x \in \Bbb{R}$. Prove $1 \leq x \leq 2$ if and only if $1 \leq x \leq 1 + \frac{1}{n}$ for some $n \in \mathbb{N}$?

Finding the right interval

Range of a picewise defined function

Does "between A and B" include the endpoints? (Eg, "What is the probability [of] between $2$ and $6$ [manufacturing] imperfections ...?")

Is $[x, x)$ an invalid interval for all real values of $x$?

Number line plotting intervals with unique/non-repeating multiples

Maxima of expression on given interval

Find the smallest $k$ such that $kx \bmod n \in [a,b]$

A Symmetric Numeric System of Multiplicative Inverses?

Finding specific interval

How many evenly spaced steps around unit circle until no gap bigger the Epsillon?

How to express an interval in a cost function

Largest interval of a differential equation

Is there a special name given if a number is on the edge of an interval?

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