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How does a rolling ball skip small bumps?

Momentum, step by step: give gradient descent a memory, and it rolls past the traps that stop it. Plain gradient descent looks only at the slope under its feet. Every step is w ← w − η ∇L(w) and nothing else. That makes it simple, but it also makes it forgetful: the moment the ground goes flat, it…

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  1. 2026-11-01 01:20 · DEV Community — Machine Learning
    How does a rolling ball skip small bumps?

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