Rays and Perspective Imagine a flat floor extending to infinity in all directions and covered…
Tag: mathematics
Compound Circular Motion
Circles and Parametrization The blog post about circles, trigonometry, and groups defined a circle to…
Conformal Torus Knots
In this post we’ll meet a staple at Differential Geometry: Flat tori in four-space, and…
Square Roots with a Complex Twist
In this post we’ll build a bridge starting with the parabola familiar from plane geometry…
Stereographic Projection and Möbius Transformations
Perspective “Point projection” is a simple model for representing a three-dimensional scene on a planar…