Author Archives: Jisang Yoo

How to make prettify-symbols-mode work with AUCTeX

prettify-symbols-mode is a recent feature of Emacs and it’s very nice. And it looks like it can replace TeX-fold-mode in the future. But, at the time of writing, prettify-symbols-mode doesn’t seem to work well with AUCTeX unless you enable two … Continue reading

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When OneDrive is stuck at syncing

Purely a OneDrive problem, but it may also concern┬áLaTeX users, Emacs users, etc.   Problem description   OneDrive is a great feature of MS Windows that many people and I love and use, but you might have encountered some issues … Continue reading

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Introduction to Wasserstein metric (earth mover’s distance)

Table of Contents 1. the cost of moving one particle 2. The cost of moving a finite collection of particles of total mass 1. 3. coupling 4. composing 5. definition of the Wasserstein distance 6. Moving a collection of particles … Continue reading

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How to close the sudden Camera app from Windows 8

Table of Contents 1. introduction 2. how to get out 3. how did I end up there 4. how to turn off the feature 5. further reading The readers are assumed to be familiar with names of basic Windows 8 … Continue reading

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Intuitions on problems from Elements of Information Theory Chapter 2

Table of Contents 1. meaning of conditional mutual information 2. comments on some selected problems from Chapter 2 2.1. Problem 2.6 2.2. Problem 2.14 2.3. Problem 2.23 2.4. Problem 2.27 2.5. Problem 2.41 This post is not about sharing solutions … Continue reading

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flood zones in Seoul

While looking for a place to live in Seoul, it came to my mind that I should check out which parts of Seoul tend to get flooded and here is what I found. Let’s hope that this post becomes obsolete … Continue reading

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Putting a bar or a tilde over a letter in LaTeX

As you are aware, there are commands to put a bar or a tilde over a symbol in math mode in LaTeX. Sometimes, the output doesn’t come out the way some of us might expect or want. Fortunately, there are … Continue reading

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