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World 2 · Learning by Falling · 4 min · PRO

Gradient descent

Rolling downhill

PRO · AI Lab

World 2: Learning by Falling is part of PRO

The first world of AI Lab is free. PRO opens the other 34 lessons in 8 worlds — simulations, quizzes and all.

  • Loss: measuring wrongness
  • The learning rate
  • When a line fails
  • Hidden layers
  • Watch it separate the spiral
PRO includes
  • All 26 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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