Now, I don't know if you're implying that fast.ai specifically should include this in their course, and you're saying this as feedback, but there's tons of reso

Now, I don't know if you're implying that fast.ai specifically should include this in their course, and you're saying this as feedback, but there's tons of resources online for it. If you're looking for a guide i highly recommend this: http://neuralnetworksanddeeplearning.com/chap1.html http://neuralnetworksanddeeplearning.com/chap1.html.