Backpropagation, Neural Networks.
dimensions. If you have a neural network that looks like this, outputs y if so. If you have n⁰ and x equals n⁰, and for features, n¹ hidden units, and n² so far, and n² in our case, just one output unit, then the matrix w² is n² by n¹ dimensional, z², and therefore, dz² are going to be n² by