/sci/ - Science & Math

[Anonymous No.7067994]

In the Wikipedia article on deep learning, the subsection discussing deep neural networks mentions that a DNN can be trained using backpropagation with stochastic gradient descent, updating weights using the equation

<span class="math">\Delta w_{ij}(t + 1) = \Delta w_{ij}(t) + \eta \frac{\partial C}{\partial w_{ij}[/spoiler].

Why does this equation use addition rather than subtraction?