A handwritten 7 goes in, “7” comes out. We follow the numbers through a neural network: layers, weights, biases and activations, a three-neuron XOR network you can run by hand, one bias that flips its behavior, and the 109,386 parameters of a small digit reader. Then what it means when an AI edits those numbers directly.
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What Actually Happens Inside a Neural Network? Follow the Numbers From a Handwritten 7 to the Answer
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