Someone posted this on another thread which is good (I've only got to chapter 3 and have had to detour to the Khan Academy to refresh my maths): http://neuralne

Someone posted this on another thread which is good (I've only got to chapter 3 and have had to detour to the Khan Academy to refresh my maths): http://neuralnetworksanddeeplearning.com/ http://neuralnetworksanddeeplearning.com/