Dr. Chen

my academic and technology learning logs

My Chinese blog website about math optimization/c++/python/java/matlab/statistics/academic career reflections is here, which has been viewed by 6.13 million times (data till June 2025).

Draw animated hear by Python

4 min read · 2023

Pursuing the paper " Capacitated inventory problems with fixed order costs-some optimal policy structure"

6 min read · September 27, 2019

2019 · paper reading
Pursuing the paper " cash-flow based dynamic inventory management"

7 min read · April 12, 2019

2019 · paper reading
Uniform continuous and ordinary continuous

3 min read · March 26, 2019

2019 · uniform continuous optimization · optimization
Proof for the continuity of a min function

2 min read · January 11, 2019

2019 · continuity proof · optimization
Proof for the continuity of an recursive function

1 min read · January 10, 2019

2019 · paper reading · paper reading

Dr. Chen

my academic and technology learning logs

Draw animated hear by Python

Pursuing the paper " Capacitated inventory problems with fixed order costs-some optimal policy structure"

Pursuing the paper " cash-flow based dynamic inventory management"

Uniform continuous and ordinary continuous

Proof for the continuity of a min function

Proof for the continuity of an recursive function