Computational Thinking, Linear Algebra, Linear Regression, Python, Jupyter Notebook.
specifiers and other imports required. Additionally, we’ll use the sqrt function from the C math library rather than from numpy. Here's the code: cimport cython from libc.math cimport sqrt @cython.boundscheck(False) @cython.wraparound(False) def pairwise_cython(double[:, ::1] X, double[:, ::1] D):