Here's a paper summarizing a project from an AI course I took in my second year as an undergrad. We show how to create a geometric database of an environment that enables a robot with a simple camera to decide its location based on the image it sees.
A Python function that finds the L1 diameter of a collection of points in linear time.
Here's a Python module with two neat function decorators.
The image in the upper-left corner of the page is that of a flattened snub dodecahedron. I snagged the original from here and turned it shades of green. It is thereby licensed like so.