Eric Lengyel’s Blog
March 17, 2026
Dual Approaches to Projective Geometric Algebra
March 2, 2026
February 27, 2026
The Development of Radical Pie
November 1, 2025
May 23, 2025
February 27, 2025
December 24, 2024
December 12, 2024
The Relativistic Inertia Tensor in Projective Spacetime Geometric Algebra
November 13, 2024
Poor Foundations in Geometric Algebra
August 23, 2024
Space-Antispace Transform Correspondence in Projective Geometric Algebra
May 20, 2022
So You Want to Write a Technical Book
October 15, 2021
Factoring Numbers in a Computer Lab
May 2, 2021
Symmetries in Projective Geometric Algebra
October 19, 2020
Projective Geometric Algebra Done Right
January 23, 2020
RGB/XYZ Conversion Matrix Accuracy
December 1, 2019
April 19, 2019
A Mathematical Keyboard Layout
February 1, 2018
Some Thoughts about Rvalue References in C++
November 13, 2017
Some Thoughts about Aliasing in C++
September 18, 2017
Optimizing OpenGL Performance with VAOs
June 27, 2014
C4 Engine User Integrates Tactile VR Suit, Appears on Discovery Channel
May 27, 2006
Thoughts About the ZP+ Algorithm
April 18, 2005
Modifying the Projection Matrix to Perform Oblique Near-Plane Clipping
May 28, 2004
Computing Tangent Space Basis Vectors for an Arbitrary Mesh
March 15, 2004