1
describe
parsing
A) In an ideal situation B) in an ideal situation C) in an ideal situation D) in an ideal situation B) logicalfunction log I ca L funct I on Three layers can represent XOR XOR, so correct; C) The sigmoid range is (0,1) (0,1). XOR XOR must have three layers, that is, hiddenlayer H I D D E n L A Y e R exists.
3
describe
parsing
And that’s choice A, A (3)1 is the first activation unit of layer 3, and it’s equal to the sum of the product of layer 2 θ(2)1, I θ 1, I (2) and layer 2 A (2) I A I (2), so that’s choice A, A.
5
describe
parsing
A (2)1∗−0.2+a(2)2∗−1.7 A 1 (2) ∗−0.2+ A 2 (2) ∗−1.7 A (2)1∗−1.7+a(2)2∗−0.2 A 1 (2) ∗−1.7+ A 2 (2) ∗−0.2, but a(2)1 A 1 (2) and a(2)2 A 2 (2) also swap values, so the result remains the same. Nothing has changed.