Reinforcement Learning and Deep RL Python Theory and Projects - DNN ForwardStep Implementation

The video tutorial explains how to build a neural network with three computational layers, including an output layer. It covers the initialization of weights for each layer, the implementation of a forward step function, and the process of matrix multiplication for layer outputs and inputs. The tutorial concludes with an introduction to activation functions and their significance in neural networks.

What happens to the input dimensions as you move to the next layer?

What is the output of the last layer if it contains five neurons?

Explain the significance of the activation function in a neural network.