Machine Learning, AI, Artificial Intelligence, Deep Learning, Neural Networks.
A vector is a matrix with a single column. A vector of 10 zeros in python: v = np.zeros(10) Matrix: a 2D array of numbers. Written in bold and uppercase. Accessing elements is the same as with a vector but using two subscripts, the first for the row and the second for the column, eg A1,2A1,2 is the