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Neural Networks, Visually

Animated explanations of how neural networks learn, from a single neuron to the transformers behind modern chatbots. Builds intuition without any programming.

8 video lessons · 2 h 26 min · taught by Grant Sanderson

Lesson 1 of 8 · 19 min

But what is a neural network?

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Course quiz

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What you will learn

  • Picture a network as layers of neurons, weights and biases
  • Explain gradient descent and what a cost function measures
  • Follow how backpropagation assigns blame to each weight
  • Describe attention and why transformers changed language AI

Before you start

Prerequisites
Comfort with high-school algebra. Some calculus helps for chapter 4.
Cost
Free.

Videos are embedded from 3Blue1Brown’s own channel and remain theirs. The quiz is written by MTT to help you check your understanding; it is not an official 3Blue1Brown assessment.