Harvard CS181 Machine Learning: Your 2026 Roadmap Through 7 Homeworks (With a 4-Year Comparison)
CS181 2026 is A3 with hw0–6 as the weekly clock (no public recordings); 2025 adds a practical, 2024 has two midterms, 2023 was taught by Weiwei Pan. Start with HW0, then follow hw1→hw6.