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Apr
21
awarded  Notable Question
Feb
8
awarded  Notable Question
Jan
18
awarded  Yearling
Oct
22
awarded  Popular Question
Sep
29
awarded  Popular Question
Sep
23
awarded  Notable Question
Sep
8
awarded  Notable Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Jul
1
comment What's the intuition behind the 2D rotation matrix?
Why is it that we only need to see what the transform does to the basis vectors? Why does that guarantee that the rotation matrix work for linear combinations of those basis vectors?
Jun
30
accepted What's the intuition behind the 2D rotation matrix?
Jun
30
comment What's the intuition behind the 2D rotation matrix?
Are there others?
Jun
30
asked What's the intuition behind the 2D rotation matrix?
Jun
10
accepted How is this method for computing square roots a manifestation of Newton's method?
Jun
5
asked How is this method for computing square roots a manifestation of Newton's method?
Apr
28
awarded  Popular Question
Apr
13
comment Why is the expected number of steps to finish this game $O(n^2)$?
Oh, why does it take an infinite number of steps?
Apr
13
accepted How can we prove that $k! \ge k^{k/2}$?
Apr
13
asked Why is the expected number of steps to finish this game $O(n^2)$?
Apr
10
asked How can we prove that $k! \ge k^{k/2}$?