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YouTube Intermediate AI Fundamentals

Neural Networks from Scratch

8 hours
Free
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About This Course

This highly acclaimed video series by 3Blue1Brown takes a visual approach to explaining neural networks, making complex mathematical concepts intuitive and accessible. The series builds understanding layer by layer, quite literally.

You will learn how neurons work, what activation functions do, how backpropagation enables learning, and why gradient descent is the engine behind neural network training. The visual animations make abstract concepts concrete and memorable.

While this series focuses on conceptual understanding rather than coding, it provides the mathematical intuition that makes implementing neural networks in frameworks like PyTorch or TensorFlow much easier. It is the perfect companion to hands-on programming courses.

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