624 reputation
519
bio website chenyuzhao.net
location United States
age
visits member for 3 years, 5 months
seen 23 hours ago

Currently a software engineer at Google. Recently graduated from University of California, Berkeley with B.S. degrees in Electrical Engineering and Computer Science (EECS) and Engineering Math and Statistics (EMS).

Personal Website: http://www.chenyuzhao.net

LinkedIn: http://www.linkedin.com/in/chenyuzhao

Careers profile: http://careers.stackoverflow.com/chenyuzhao


Dec
16
awarded  Caucus
Nov
4
awarded  Good Question
Jul
7
awarded  Yearling
Jul
2
awarded  Curious
Mar
19
awarded  Notable Question
Jul
10
answered Series expansion of $\ln(\sec x + \tan x)$?
Jul
1
awarded  Yearling
May
12
answered Show if $x^2$ is divisible by $5$ then $x$ is divisible by $5$ as well
May
6
awarded  Caucus
Feb
22
awarded  Popular Question
Dec
24
awarded  Critic
Dec
15
answered Inference in a probabilistic Bayes network
Dec
15
accepted Prove that the statement implies the Axiom of Choice
Dec
14
comment Prove that the statement implies the Axiom of Choice
@BrianM.Scott: Oh nice, I have not seen this trick before! Well I think that solved my problem. If you add that as an answer, I'd be happy to upvote.
Dec
14
revised Prove that the statement implies the Axiom of Choice
added 327 characters in body
Dec
14
asked Prove that the statement implies the Axiom of Choice
Sep
26
comment What does the notation $|f(A)| = X$ mean?
Ah yes, I misread the question. Here $ f(A) $ refers to the image of $ A $ under $ f $ and so the output is always a set. So in this case, the notation must mean cardinality.
Sep
26
answered What does the notation $|f(A)| = X$ mean?
Aug
8
comment Showing that $2^{17} - 1$ is prime.
@tomasz: Well I divide better than I sieve :P
Aug
8
comment Showing that $2^{17} - 1$ is prime.
@tomasz: You don't have to verify the primality of the divisors; you just have to check to see if they divide $131071$.