Back to the lesson libraryMECHANISM · 15 MIN
M11.7 CONNECT THE MECHANISM

Connect data, gradients, and saved model state

The same five-line loop trains a four-neuron toy and a chatbot. Run it until a network discovers XOR on its own, then learn which checkpoint to keep.

LESSON OVERVIEW15 min lesson

Lesson overview

The same five-line loop trains a four-neuron toy and a chatbot. Run it until a network discovers XOR on its own, then learn which checkpoint to keep.

What you’ll explore

  • Trace forward loss, backward gradient, and an optimizer update while separating training batches from validation and checkpoint selection.
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