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May
4
comment Strategies for linear systems
I get a solution :/
May
4
asked Strategies for linear systems
Apr
22
accepted Understanding two sided t-test
Apr
22
comment Understanding two sided t-test
Bruce I really appreciate your explanation, thanks for your time.
Apr
21
comment Understanding two sided t-test
can you explain why this is a two-sided test by looking at the hypothesis? should I not reject if t < 2.262 ? I am very confused :(
Apr
21
accepted Frequency of the most frequent word using Zipf's law
Apr
21
comment Reduction from Hamiltonian cycle to Hamiltonian path
I am confused, is this valid?
Apr
20
revised Frequency of the most frequent word using Zipf's law
added 128 characters in body
Apr
20
comment Frequency of the most frequent word using Zipf's law
Thanks for your answer, I am a bit confused from your answer. Why is my reasoning incorrect? Why do you sum all the 1/k ? And how can the most frequent word appear 0.0869 times? I think my gap of knowledge goes beyond this. I have a feeling I confuse frequency with occurrence. But I still do not understand where you bring the new summation in
Apr
20
asked Frequency of the most frequent word using Zipf's law
Apr
20
asked Understanding two sided t-test
Apr
20
comment Simplifying a formula with summation
Ok, that is what I was thinking. The average consider it to be a constant, since once I calculate $R_u$ is always calculated. So What I am actually thinking is to subtract $R_u$ to everything in advance
Apr
20
asked Simplifying a formula with summation
Jan
26
accepted Does infinite tableau branch mean satisfiable formula?
Jan
13
asked Why $d(x) + d(y) \le n$ when proving Mantel's theorem
Oct
4
awarded  Popular Question
Jul
30
awarded  Notable Question
Jul
2
awarded  Curious
May
16
comment Shape of contour of Laplacian
Thanks a lot, I finally got what the question aimed at, I was very close!
May
16
comment Shape of contour of Laplacian
should be into a circle?