Linear Algebra, Machine Learning, Artificial Intelligence, Data Science, Python.
matrix B. B = np.array([[[1,2,3], [4,5,6], [7,8,9]], [[1,2,3], [4,5,6], [7,8,9]]]) B.shape What you will see if you run this code is (2, 3, 3). This can be interpreted as there being two matrices that are 3 x 3, which makes sense because matrix B was made from 2 x matrix A. Rank The rank of a