程序代写代做代考 ..x.

..x.
layers[0]

.fprop
. layers[1]

.fprop
. h1.

layers[2]

.fprop
. h2. y. error.

.

t

.

error

.grad

.

∂Ē
∂y

.

layers[0]

.bprop

.

layers[1]

.bprop

.

∂Ē
∂h1

.

layers[2]

.bprop

.

∂Ē
∂h2

.

∂Ē
∂x

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