Matrix Factorization: The Simplest Deep Explanation You Will Ever Read

Dec 2, 2025 · 3 min read · In notation, we write: A ≈ U × Vᵀ But what does this really mean? And why do major AI systems like Netflix, Spotify, Amazon, TikTok, PCA, and SVD rely on it? Let’s break it down clearly. 1. What Matrix Factorization Actually Means A matrix is just a...