For example one "special" methods is __len__() which is called by the Python interpreter when evaluating code like ... This process of traversal is called iteration. An interator is an ojbect that ...

This example squares each element in the NumPy array and creates a new NumPy array containing the squared numbers, demonstrating vectorized computation without explicit iteration. In Python, ...

The actual iteration over the NumPy array should ... rather than a generic Python object (slow). Here’s an example of a Cython function declaration that takes in a two-dimensional NumPy array ...