NumPy is for matrices (as well as other things). To wit, matrix = 2D array; vector = 1D array; a vector is just a special case of a matrix; ATLAS is an implementation of BLAS and LAPACK, providing its ...

NumPy is an open source mathematical and scientific computing library for Python programming tasks. The name NumPy is shorthand for Numerical Python. The NumPy library offers a collection of ...