Mathematicians love a good puzzle. Even something as abstract as multiplying matrices (two-dimensional tables of numbers) can feel like a game when you try to find the most efficient way to do it.

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2024.230180, discusses orthogonal matrix of polarization combinations: concept and application to multichannel holographic recording.

WITH the growing application of matrix algebra, especially in the factorial analysis of psychological data, there is an increasing demand for a machine that will multiply matrices. Such a machine has ...