2.1 Error, loss functions, and why they are needed Error, Loss Functions, and Why We Need Them Any machine learning model comes down to a simple idea: it tries to describe reality using some function. That means there will always be a mismatch bet...

RAG Retrieval-Augmented Generation is an AI method that combines a large language model LLM with an external knowledge base to produce more accurate, context-aware answers. The idea is simple: first we retrieve relevant information from documents or ...