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Back to the lesson libraryMECHANISM · 17 MIN
M11.3 CONNECT THE MECHANISM

Trace inputs through layers to a loss

Every answer a neural network gives, from a flower name to a chatbot's next word, comes from one left-to-right sweep of arithmetic. Follow a number all the way through.

LESSON OVERVIEW17 min lesson

Lesson overview

Every answer a neural network gives, from a flower name to a chatbot's next word, comes from one left-to-right sweep of arithmetic. Follow a number all the way through.

What you’ll explore

  • Calculate hidden pre-activations, ReLU outputs, and a second-layer prediction with fixed weights.
GO TO THE SOURCE

Original explanations, connected to the research.

Dive into Deep Learning — forward/backward computationDive into Deep Learning — multilayer perceptrons
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