Deep Learning

What is a neural network?

Excellent introduction to neural networks created by Grant Sanderson.

What is a neural network? - Learn what are the neurons, why are there layers, and what is the math underlying it:

How do networks learn?

Part 2 of the excellent introduction to neural networks created by Grant Sanderson.

More on gradient descent and how neural networks learn:

What is backpropagation?

Part 3 of the excellent introduction to neural networks created by Grant Sanderson.

What is backpropagation: