I am in CUHK. Hence I need to connect to VPN from time to time. The CUHK VPN pool is using PPTP implemented by the Cisco routers or access servers (although another using IPSec is also available, but I am not supposed to know about its existence…) and I am... [more]
Text, style, and grammar, fonts, figures, spacing, presentations, and other [more]
Use Comic Sans Font in LaTeX
I’ve prepared a presentation for my supervisor using LaTeX. The presentation is to mimic a version created using MS Powerpoint and in LaTeX, I used seminar package for formatting. [more]
What is Sigmoidal function?
Sigmoidal function is any function with the following properties: Monotonically increasing Differentiable Bounded [more]
We may need to calculate factorials \(n!\) from time to time. But we will easily get into a very large number as \(n\) increases. We all know Stirling’s formula for calculating factorials: [more]