Strin

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visits member for 1 year, 5 months
seen May 19 at 3:42
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Feb
4
 accepted What is the combinatorial meaning of $\sum\limits_{R = 0}^{N}\binom{N}{r}\binom{N-R}{n-r} = \binom{N+1}{n+1}$?
Feb
4
 asked What is the combinatorial meaning of $\sum\limits_{R = 0}^{N}\binom{N}{r}\binom{N-R}{n-r} = \binom{N+1}{n+1}$?
Jan
31
 revised Find the equation of the tangent to the curve with exponential function
I think the answer is y = 2ex-e/2.
Jan
31
 reviewed Reviewed Find the equation of the tangent to the curve with exponential function
Jan
31
 suggested suggested edit on Find the equation of the tangent to the curve with exponential function
Jan
31
 comment Find the equation of the tangent to the curve with exponential function
I think it should be $2ex-\frac{e}{2}$ so that it passes through $(\frac{1}{2},\frac{e}{2})$.
Jan
30
 asked What is the Physical Meaning of Dirichlet Distribution for $\alpha < 1$?
Jan
23
 accepted Is the multiplicative Chernoff bound stronger than additive one?
Jan
21
 asked Is the multiplicative Chernoff bound stronger than additive one?
Dec
20
 awarded  Tumbleweed
Dec
20
 comment Does the sum of $\frac{\pm a}{\log(1+ax)}$ have at most finitely many zeros?
@user1551, thanks for the change. Just now I found a solution to this problem.
Dec
20
 answered Does the sum of $\frac{\pm a}{\log(1+ax)}$ have at most finitely many zeros?
Dec
20
 revised Does the sum of $\frac{\pm a}{\log(1+ax)}$ have at most finitely many zeros?
edited body
Dec
19
 revised Does the sum of $\frac{\pm a}{\log(1+ax)}$ have at most finitely many zeros?
added 4 characters in body
Dec
19
 asked Does the sum of $\frac{\pm a}{\log(1+ax)}$ have at most finitely many zeros?
Dec
18
 awarded  Custodian
Dec
18
 reviewed No Action Needed Order considerations of a finite field with square roots for every element
Dec
18
 awarded  Yearling
Dec
13
 asked l1 Minimization of Probability Distribution and KL-Divergence
Nov
11
 accepted L1 Minimization with Non-negativity constraints.
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