Репетитор
Объясняет темы, тренирует языки и устраивает квизы.
Студентам и тем, кто учится всю жизнь
- Объяснение тем
- Языковая практика
- Квизы
- Разбор домашки
Teaching, Language drills
web, telegram
1 vCPU · 2 GB — $4.99/mo
- user: I still do not get why gradient descent needs a learning rate.
- agent: Picture walking downhill in fog. The gradient tells you which way is down; the learning rate is how big a step you take. Too big and you leap over the valley. Want to see that?
- user: Yes.
- agent: Same 20 steps at three rates. The middle one settles; the large one oscillates forever. Now you: which would you pick for a narrow valley?