Build your intuition for deep learning from scratch. Understand layers, activations, and why depth enables hierarchical feature learning.
ReLU Activation
~10 min· Easy
Softmax Activation
~15 min· Medium
Dense Layer Forward Pass
~18 min· Medium
Two-Layer Network Forward Pass (and Why It Solves XOR)
~15 min· Easy
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Optional multiple-choice questions on the ideas behind this section. Most useful after you have tried the coding problems above.