Pre-MBA Linear Algebra Refresher

Sixty-minute pre-term refresher that takes incoming MBA students from rusty matrix recall to working facility with vectors, dot products, matrix multiplication, determinants, Cramer rule and the eigen-decomposition of a 2×2 covariance matrix — using the Café del Valle POS dataset as the worked example throughout. Day 2 of MBA Week Zero, one day before the 1306 quant micro bootcamp.