Coursera機器學習-Week 5-測驗:Neural Networks: Learning
1 描述 解析 根據題目給定的公式大膽的猜 Δ(k)ij:=Δ(k)ij+δ(k+1)i∗(a(k))j Δ i j ( k ) := Δ i j ( k ) + δ i ( k + 1 ) ∗ ( a ( k ) ) j ，所以題目選擇 D D 。 2 描述 解析 因爲 Theta1 T h e t a 1 包含 15 15 個元素、 Theta2 T h e t a 2 包含 24 24 個元
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