Machine Learning, AI, Artificial Intelligence, Deep Learning, Neural Networks.
second element of the first row. A1,:A1,: is the entire first row. Matrices can be transposed: ATAT is simply A with the columns made into rows and the rows made into columns. A matrix is a tensor that happens to have 2 dimensions. A 10x7 matrix of all ones in python: M = np.ones((10, 7)) Tensor: a