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Mathematics
Alex Jones's user avatar
Alex Jones's user avatar
Alex Jones's user avatar
Alex Jones
  • Member for 8 years
  • Last seen this week
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Top posts
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52
Why are algebraic structures preserved under intersection but not union?
Dec 14, 2018
44
Can area of rectangle be greater than the square of its diagonal?
Nov 15, 2018
19
Can differentiation be thought of as a function?
Apr 26, 2017
13
Why do cubic equations always have at least one real root, and why was it needed to introduce complex numbers?
Jul 11
12
Find the height of a bar, given the lengths of shadows cast by it and another bar
Oct 14, 2017
11
Proof that Markov Matrix has Eigenvalue of 1
Jun 17, 2018
10
Why not include as a requirement that all functions must be continuous to be differentiable?
Jun 20, 2018
10
Why do PDE's seem so unnatural?
Apr 8, 2018
9
A non-linear coupled second order ODE for a geodesic
Apr 14, 2021
8
Does every vector have an additive inverse?
Apr 22, 2017
Top network posts
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50
Can wind instruments be played out of tune?
19
OR gate vs. connecting two wires?
12
Dealing with manager that has high turnover but great reviews from departing engineers
9
Zelda received a bizarre postcard
6
Old books you would like to have reprinted with high-quality typesetting