Linear Algebra, Matrix, Mathematics, Math, Machine Learning.
In 3D Space (like the room you’re in): use a 3D version of Pythagoras’ theorem (in other words, two application of Pythagoras) = √(x1² + x2² + x3²). The square of the length of any vector x in an n-dimensional space can be seamlessly expressed through the dot product. By squaring each of the