In order to do backpropagation and optimization, we need to have some measure of how wrong the model is. For this, we use a loss function. In our case, with a softmax classifier, we'll be using categorical cross-entropy. Next video: Neural Networks from Scratch book: Playlist for this series: Channel membership: Discord: Support the content: Twitter: Instagram: Facebook: Twitch: #nnfs #python #neuralnetworks
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