Python is convenient and flexible ... apply .add along one axis of a multi-dimensional array, with the results being a new array with one less dimension. We could loop and create a new array ...

rather than a generic Python object (slow). Here’s an example of a Cython function declaration that takes in a two-dimensional NumPy array: These declarations inform Cython not just that these ...

multi-dimensional arrays and matrices. NumPy arrays require far less storage area than other Python lists, and they are faster and more convenient to use, making it a great option to increase the ...