Understanding the ReLU Activation Function: A Foundation of Deep Learning
Introduction In the world of deep learning, the ReLU (Rectified Linear Unit) activation function has emerged as a fundamental building block of neural networks. Introduced to address the vanishing gradient problem associated with traditional activation functions, ReLU has revolutionized the field of artificial intelligence. In this advanced blog, we will delve into the inner workings of the ReLU activation function, exploring its benefits, applications, and variants that have contributed to its widespread adoption in various deep learning architectures. What is the ReLU Activation Function ? The ReLU activation function, short for Rectified Linear Unit, is a simple yet powerful non-linear function commonly used in artificial neural networks. Its mathematical expression can be defined as: f(x) = max(0, x) Where 'x' is the input to the function, and 'max' is the maximum function that outputs the greater of the two values, i.e., '0' or 'x'. This result