LWN.net

numpy can use optimized libraries and does not support vectors

I don't follow this as numpy is an Python interface to numerical libraries written in C especially when linked to atlas numerical library (disto supplied and other optimized libraries like Intel's are ...
InfoWorld

Use Cython to accelerate array iteration in NumPy

NumPy is known for being fast, but could it go even faster? Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with data in ...
LWN.net

numpy can use optimized libraries and does not support vectors

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 ...