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Back to the lesson libraryMATH SIDE LESSON
B02 A SMALL STEP SIDEWAYS

Read an equation one symbol at a time

Papers write a neuron as Σ wᵢxᵢ + b and expect you to just read it. Learn to read letters, small labels, and Σ aloud, then turn them into plain arithmetic.

LESSON OVERVIEW10 min lesson

Lesson overview

Papers write a neuron as Σ wᵢxᵢ + b and expect you to just read it. Learn to read letters, small labels, and Σ aloud, then turn them into plain arithmetic.

What you’ll explore

  • Substitute numbers into a short formula such as y = wx + b, and work out an indexed weighted sum by pairing each input with its own weight.
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OpenStax — use the language of algebraDive into Deep Learning — linear algebra
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