Jian Xu – Medium

Jian Xu

Jian Xu

Understanding AlphaDev’s New Sorting Algorithm

A step-by-step analysis of AlphaDev’s sort3 algorithm

Aug 27, 2023

Understanding AlphaDev’s New Sorting Algorithm

Aug 27, 2023

Jian Xu

《群山回响》读后感

终于把Khalid Hosseini写的《群山回响》（“And the Mountains Echoed” ) 读完了。俗话说“不动笔墨不读书”，所以忍不住要写个读后感。

Oct 9, 2021

Oct 9, 2021

Jian Xu
in
Towards Data Science

How to Beat the CartPole Game in 5 Lines

A Simple Solution without Artificial Intelligence

Feb 21, 2021

How to Beat the CartPole Game in 5 Lines

Feb 21, 2021

Jian Xu
in
Towards Data Science

How to Render OpenAI-Gym on Windows

OpenAI Gym is a great place to study and develop reinforced learning algorithms. It provides lots of interesting little games (so called…

Dec 15, 2020

How to Render OpenAI-Gym on Windows

Dec 15, 2020

Jian Xu
in
Towards Data Science

How (un)Trustworthy are the COVID-19 Surveillance Tests?

What can we tell when a random person is tested positive for the COVID-19?

Apr 27, 2020

How (un)Trustworthy are the COVID-19 Surveillance Tests?

Apr 27, 2020

Jian Xu
in
Towards Data Science

Scraping Coronavirus Death Demographics with Beautiful Soup

A Tutorial on Web Scraping

Apr 17, 2020

Scraping Coronavirus Death Demographics with Beautiful Soup

Apr 17, 2020

Jian Xu
in
Towards Data Science

A Short Review of COVID-19 Data Sources

The pros and cons of some popular COVID-19 data sources

Mar 27, 2020

A Short Review of COVID-19 Data Sources

Mar 27, 2020

Jian Xu
in
Towards Data Science

Mortality Rate As an Indicator of an Epidemic Outbreak

What can we infer from the unreliable estimate of the coronavirus mortality rate?

Mar 6, 2020

Mortality Rate As an Indicator of an Epidemic Outbreak

Mar 6, 2020

Jian Xu
in
Towards Data Science

Behind the Coronavirus Mortality Rate

A closer look at the mortality rate. What does it tell us?

Feb 21, 2020

Behind the Coronavirus Mortality Rate

Feb 21, 2020

Jian Xu

恐惧与歧视

— — 从“只有死印第安人才是好印第安人”谈起

Feb 21, 2020

Feb 21, 2020

Jian Xu

Jian Xu

Engineer, teacher, writer. Loves to explain complex problems in simple terms, and to solve real-world problems by technology.

Following

Help
Status
About
Careers
Press
Blog
Privacy
Terms
Text to speech
Teams