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Systems biologist.


Apr
11
awarded  Revival
Oct
21
awarded  Revival
Sep
1
awarded  Yearling
May
27
revised Show $\dfrac{x_1}{x_n} + \dfrac{x_2}{x_{n-1}} + \dfrac{x_3}{x_{n-2}} + \dots + \dfrac{x_n}{x_1} \geq n$
added 36 characters in body
May
27
answered Show $\dfrac{x_1}{x_n} + \dfrac{x_2}{x_{n-1}} + \dfrac{x_3}{x_{n-2}} + \dots + \dfrac{x_n}{x_1} \geq n$
May
20
awarded  Constituent
May
15
asked Inferring a probability distribution from another probability distribution
May
13
comment Prove $ |\vec{a_1}-\vec{b}|+ \cdots +|\vec{a_n}-\vec{b}| > n $
The condition given is $|\vec{b}|<1$, not $|\vec{b}|>1$.
May
7
awarded  Caucus
May
4
revised How prove this $T_{n}<\dfrac{5}{4}|b_{1}|$
added 10 characters in body
May
4
answered How prove this $T_{n}<\dfrac{5}{4}|b_{1}|$
May
4
revised How to show the following inequality?
added 72 characters in body
May
3
answered How to show the following inequality?
May
3
answered Prove $ |\vec{a_1}-\vec{b}|+ \cdots +|\vec{a_n}-\vec{b}| > n $
May
1
comment Variance over two periods with known variances?
A clear explanation, easily generalizable to cases with more than two sets.
Apr
24
revised Find the maximum value of $T=\frac{2}{3}(\cos 2A-\cos 2B)-\tan\frac{C}{2}$
added 139 characters in body
Apr
24
answered Find the maximum value of $T=\frac{2}{3}(\cos 2A-\cos 2B)-\tan\frac{C}{2}$
Apr
23
comment Geometric interpretation for sum of fourth powers
30 comes from the fact that the Bernoulli number $B_4=-1/30$. See "Faulhaber's formula" in Wikipedia.
Apr
22
revised Solving a PDE using the method of characteristics
edited body
Apr
22
asked Solving a PDE using the method of characteristics