Feb 21, 2018
Drawing radar plots in LaTeX with tikz
In this blog post I’ll show some LaTeX code (tikz) for drawing radar plots....
Feb 7, 2018
Verifying a neat identity: showing a connection between linear algebra and calculus
My PhD student Nikoleta and I are doing some work relating the Prisoner’s Dilemma to quadratic forms (a linear algebraic generalisation of quadratics) and it’s led me to really come to appreciate a specific identity regarding their derivatives. In this post I’ll describe what the identity is and what it means but also verify it using Python....
Nov 17, 2017
Fitting ranks to a distribution
This is a brief blog post to describe how to scale a set of ranks to some distribution using a percentage point function. This is in the category of blog posts of me writing myself a note so that I remember how to do this when I need to....
Nov 10, 2017
The fallacy of a meritocracy (using game theory)
Today we hosted Dame Professor Celia Hoyles who gave a talk at the launch event of Cardiff’s new Mathematics Education Research Group (MERG). Amongst many interesting things the topic of the gender imbalance in Mathematics came up. In this post I’ll use a game theoretic model of evolution to describe one aspect of lack of diversity: the fallacy that is a meritocracy....
Oct 5, 2017
The effect of goats (on the Monty hall problem)
I’ve just written a 3 page example coursework submission as a demo for my first year students. This is for a course called “Computer for Mathematics” which aims to introduce mathematics students to programming techniques useful to mathematicians (in Python). The particular example I chose to write about is one (of many possibly) generalisation of the Monty Hall problem. I’m rewriting what I did here in case it’s of interest to anyone....