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Mathematics
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Eric Duminil's user avatar
Eric Duminil's user avatar
Eric Duminil
  • Member for 7 years, 8 months
  • Last seen more than a week ago
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Top posts
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47
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
43
Prime number construction game
Dec 21, 2018
36
Matrix determinant contradicts corresponding box volume – how is it possible?
Dec 4, 2017
33
Why isn't the Weierstrass function $\sum_{n=0}^\infty a^n \cos(b^n\pi x)$ differentiable?
Jan 18, 2022
29
Find the height of a bar, given the lengths of shadows cast by it and another bar
Oct 16, 2017
29
BIG LIST: Statements that look obviously false but cannot be disproved
Sep 17, 2018
21
Why is a derivative defined using limits?
Jun 27, 2018
18
Use a quadratic equation to find two consecutive even integers if their product is $168$
Jun 14, 2018
14
What is the cardinality of the union A∪B∪...∪Z?
Dec 24, 2017
12
What do "function of" and "differentiate with respect to" mean?
Jan 6, 2020
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246
How can we put pressure on Stack Exchange Inc. without damaging the community?
229
Why is sum so much faster than inject(:+)?
196
Speed up millions of regex replacements in Python 3
169
Speed up millions of regex replacements in Python 3
101
Can (a== 1 && a ==2 && a==3) ever evaluate to true?