What is Learning Rate? Why does it exist? Where does it appear in Pretraining?
Draw or describe a visual model of Learning Rate. What does it look like conceptually?
Work through a concrete manual example of Learning Rate with real numbers or pseudocode.
Implement Learning Rate from scratch in Python. Keep it minimal — just enough to see it work.
How is Learning Rate different from related concepts in Pretraining? What are the trade-offs?
Explain Learning Rate in plain language using an analogy. Could a non-expert follow it?
train.py
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