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 Tumbleweed
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  • 0 posts edited
  • 0 helpful flags
  • 7 votes cast
Aug
23
awarded  Tumbleweed
Aug
16
asked sound FFT data to PCM data
Feb
18
awarded  Revival
Oct
21
awarded  Teacher
Oct
21
answered Is there a common symbol for concatenating two (finite) sequences?
Sep
24
awarded  Autobiographer
May
16
revised mean and variance normalization of vectors
added 147 characters in body
May
14
revised mean and variance normalization of vectors
edited tags
May
14
asked mean and variance normalization of vectors
Dec
14
comment How $x^4$ is strictly convex function?
Note that the second derivative is positive almost everywhere. I'm pretty sure that this is also enough to get strict convexity.
Jun
8
accepted writing $M : \Gamma_{n,0} \backslash \Gamma_n$
May
24
revised writing $M : \Gamma_{n,0} \backslash \Gamma_n$
better matrix
May
24
revised writing $M : \Gamma_{n,0} \backslash \Gamma_n$
added 84 characters in body
May
24
revised notation for invariation
added 134 characters in body
May
24
comment How to write presentation of a group?
Why do you write $e_i^2 = 1, e_i e_j = e_j e_i$? Couldn't you just write $e_i \in \mathbb{Z} / 2 \mathbb{Z}$? Or, if you want to have representations, $e_i \in \{0,1\}$? That somewhat seems simpler to me.
May
24
asked notation for invariation
May
24
asked writing $M : \Gamma_{n,0} \backslash \Gamma_n$
May
13
awarded  Scholar
May
13
accepted extended Euclidean (xgcd) in quadratic integer rings
May
13
revised extended Euclidean (xgcd) in quadratic integer rings
added 361 characters in body