Mathematics
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Eric Duminil's user avatar
Eric Duminil's user avatar
Eric Duminil
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All Questions Answers
Score Newest
answer
48
Intuitively, why are the curves of exponential, log, and parabolic functions all smooth, even though the gradient is being changed at every point?
May 22, 2018
answer
43
Prime number construction game
Dec 21, 2018
answer
36
Matrix determinant contradicts corresponding box volume – how is it possible?
Dec 4, 2017
answer
29
BIG LIST: Statements that look obviously false but cannot be disproved
Sep 17, 2018
answer
27
Why isn't the Weierstrass function $\sum_{n=0}^\infty a^n \cos(b^n\pi x)$ differentiable?
Jan 18, 2022
answer
26
Find the height of a bar, given the lengths of shadows cast by it and another bar
Oct 16, 2017
answer
21
Why is a derivative defined using limits?
Jun 27, 2018
answer
18
Use a quadratic equation to find two consecutive even integers if their product is $168$
Jun 14, 2018
answer
14
What is the cardinality of the union A∪B∪...∪Z?
Dec 24, 2017
answer
12
What do "function of" and "differentiate with respect to" mean?
Jan 6, 2020
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245
How can we put pressure on Stack Exchange Inc. without damaging the community?
229
Why is sum so much faster than inject(:+)?
192
Speed up millions of regex replacements in Python 3
168
Speed up millions of regex replacements in Python 3
99
Can (a== 1 && a ==2 && a==3) ever evaluate to true?

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