Chang
Reputation
Top tag
Next privilege 250 Rep.
1 9
Impact
~4k people reached

• 0 posts edited

### Questions (17)

 8 The first column of the $n$th power for a triangular matrix 4 What's the limit of this expression: $\lim\limits_{M \to \infty}1/(\sum_{i=0}^{\infty}\frac{M!}{\left(M+i\right)!}x^{i})$ 3 A limitation related to multinomial distribution. 2 does it have a name : $\prod\left(1-x_i\right)$ 1 maximizing a quadratic over linear function

### Reputation (150)

 +5 Can ${}_2F_1\left(1,b;1+b;z\right)$ be simplified? +5 Closed-form solution of the following LP problem +5 What's the limit of this expression: $\lim\limits_{M \to \infty}1/(\sum_{i=0}^{\infty}\frac{M!}{\left(M+i\right)!}x^{i})$ +5 How to judge a discrete function is convex or not?

 0 Calculate absolute values with unknown constant

### Tags (32)

 0 matrices × 4 0 optimization × 2 0 power-series × 3 0 linear-algebra × 2 0 calculus × 3 0 convergence × 2 0 probability-distributions × 2 0 sequences-and-series × 2 0 closed-form × 2 0 limits × 2

### Accounts (8)

 Mathematics 150 rep 19 Chinese Language 76 rep 2 TeX - LaTeX 33 rep 5 Travel 21 rep 2 English Language & Usage 16 rep 2

 Popular Question Editor Curious Teacher Enthusiast Scholar Tumbleweed Supporter Commentator Student

### Active bounties (0)

This user has no active bounties

all time   by type   month
26 up 6 question 1