Math Links

1. Tips and Traps in Data Visualization

A quick and dirty overview of succinct graphs and visualizations in presentations, where audiences do not have much time to digest too much information.

2. Don't invert that matrix

A somewhat old post on a topic we all are all familiar with. Read through the fascinating comments section.

3. Blowback

A fascinating example of the seeming advantages, and catastrophic unintended consequences of changing the formal definition of a derivative from \[f'(x) = \lim_{h \rightarrow 0} \frac{f(x+h) - f(x)}{h},\] to \[f'(x) = \lim_{h \rightarrow 0} \frac{f(x+h) - f(x-h)}{2h}.\]

4. Interesting Statistics Quotes