Yan Han's blog

On Computer Technology

13 Aug 2015

Note on Counting: Exercise 13.26 answer

Similar to the last post, this is a short note detailing some of my thoughts to the answer to Exercise 13.26 in the book...
10 Aug 2015

Note on Counting: Exercise 13.17 answer

This is a short note detailing some of my thoughts to the answer to Exercise 13.17 in the book Counting, by Prof Koh Khe...
04 Aug 2015

Note on Think Stats: Multiplying a Pareto random variable with x_m = 1 by a positive number - what do we get?

NOTE: Having only a very basic and recently acquired formal education in Probability and Statistics, I have no idea how ...
25 Jul 2015

How to install matplotlib using virtualenv on Ubuntu

System Requirements This was done on a system with the following specifications: Lubuntu 14.04 (which is pretty much Ub...
23 Jul 2015

Note on Think Stats: Given the PMF of a random variable X, compute the variance of X

This week, I started using some free time to read Think Stats by Allen B. Downey. So far it's been a pretty good book. I...
06 Jul 2015

How to restore a deleted `arc feature` branch

Updated: 17 July 2015 NOTE: There may be some (ok perhaps a lot of) mistakes with regards to Phabricator and Arcanist te...
24 Jun 2015

My notes on: Is anyone aware of another method of deriving 1/2! without using the gamma function?

NOTE: Sometimes I chance across brilliant answers to interesting Math questions on Quora and felt like rearranging and/o...
20 Jun 2015

Bash stuff I recently encountered

Last week, I’ve been working on my provision-ubuntu repository and getting it in a better shape to put in on Githu...
20 Jun 2015

I'm back!

Thoughts on getting back It’s been a while since I blogged here. To be exact, it’s been half a year since I&...
21 Dec 2014

Why I dropped CS3216

Primary reason - for CS1010S. Being a tutor for CS1010S takes up a lot of time. Didn’t want to shortchange my team...