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Does backpropagaion learning is based on gradient descent along error surface?

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Does backpropagaion learning is based on gradient descent along error surface?

(a) yes

(b) no

(c) cannot be said

(d) it depends on gradient descent but not error surface

The question was asked in an online quiz.

My enquiry is from Backpropagation Algorithm topic in chapter Feedforward Neural Networks of Neural Networks

1 Answer

+1 vote
by (535k points)
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Best answer
Right choice is (a) yes

Explanation: Weight adjustment is proportional to negative gradient of error with respect to weight.

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