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chain-rule

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A complete Multi-Layer Perceptron built using only raw NumPy — manual forward propagation, categorical cross-entropy loss, and hand-derived backpropagation via the chain rule — trained on the real MNIST handwritten digit dataset (94.5% test accuracy, no PyTorch or autograd used).

  • Updated Jul 25, 2026
  • Python

Notebook edukatif yang membangun intuisi bahwa neural network adalah tumpukan operasi matriks, dan bahwa backpropagation adalah aplikasi chain rule.

  • Updated Aug 20, 2026
  • Jupyter Notebook

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