Mathematics
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SmileyCraft's user avatar
SmileyCraft's user avatar
SmileyCraft
  • Member for 6 years, 7 months
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1
What to do about long discussions in comments? And how to avoid?
Dec 25, 2018
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37
Reverse engineering a math magic trick involving matrices.
33
Is there a bijective seacucumber?
19
A function $f:\mathbb{R}^2\to\mathbb{R}^2$ that is open and closed, but not continuous.
12
Prove or disprove: There is a way to choose independent random chords in a circle so that their intersections are uniformly distributed in the circle.
11
Show that there exist $[a,b]\subset [0,1]$, such that $\int_{a}^{b}f(x)dx$ = $\int_{a}^{b}g(x)dx$ = $\frac{1}{2}$

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