Machine Learning, AI, Artificial Intelligence, Deep Learning, Neural Networks.
a matrix M by the vector [1, 2, 3, 4], the final vector is 1 times the first column of M plus 2 times the second column of M and so on. So whenever we multiply our bad matrix with a vector, the result can only ever be a multiple of the vector [1, 2], which indeed forms a line! A set of vectors is