Don't worry. Think, and do.
Resume Blogging
The reason I resume my blog after several months is LeNPaul’s new update that integrates features such as Read more 16 Nov 2017 - 1 minutes read
Counterexample of Abusing Simultaneous Assignments in Python
When learning python, I was amazed by a, b = b, a and thought, “I don’t need to keep track of or caching any variables now when I want to do simultaneous assignment thanks to python!” Read more 01 Jun 2017 - 2 minutes read
Vectorized cs231n Beautifully with numpy
I started to work on cs231n assigments recently. Read more 06 May 2017 - 1 minutes read
Replace derivatives in back propagation
When I tried to calculate the derivative of ReLU, i.e. $Y = max(0, X)$ where Y, X are (N, H) dimension matrix, I was astounded. Isn’t it a 4-dimension array of shape (N, H, N, H)? Read more 21 Apr 2017 - 1 minutes read
Statitical Learning Theory Note by Hisashi Kashima
The course was taught in Spring 2017. The course material is here. Read more 17 Apr 2017 - less than 1 minute read