Simpler linear Regression: target varaible as a linear Function

machine learning is a specific subset of artificial intelligence that trains a machine how to learn 

it is based on algorithms

   scalar values non boldface and lowercase

   random variables; non boldface and uppercase

   vector: bld and lowercase

   matrice

What is machine learning?

a specific subset of artificial intelligence that trains a machine how to learn. 

Machine learning is used in computational finace, image processing and computer vision, computational biology, energy production, natural language processing. 

Ordinary linear regression: Minimizing Loss and Maximizing Likelihood