numpy

we can perform array operations using numpy.

numpy allows for efficient numerical computations.

the numpy library provides powerful array manipulation tools.

we need to import numpy before using its functions.

numpy arrays are fundamental to scientific computing in python.

reshape the numpy array to fit the model.

calculate the mean of the numpy array using numpy.mean().

create a numpy array filled with zeros.

index into the numpy array to access specific elements.

perform element-wise addition on two numpy arrays.

filter the numpy array based on a condition.

use numpy to generate random numbers for simulation.