Here's an online book I read that explains perceptrons and sigmoid neurons from the ground up. I think it's a great resource and might help answer some of your

Here's an online book I read that explains perceptrons and sigmoid neurons from the ground up. I think it's a great resource and might help answer some of your questions. http://neuralnetworksanddeeplearning.com/chap1.html http://neuralnetworksanddeeplearning.com/chap1.html This chapter also takes you through creating a handwriting recognizer in Python without having a package deal with the internals for you.