Hidden H = 6 Learn rate η η = 0.30 ŷ = σ(W₂·tanh(W₁x+b₁)+b₂)

▶ Start ⏭ Epoch ⟲ ⤮ New data 2 layers ☰ epoch 0 loss — acc —

Data Two moons XOR Circles Spiral arch 2 → 6 → 1 class 1 · class 0 · Space run · S epoch · R reset · N new