import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D import numpy as np # Creazione di una griglia di coordinate per l'immagine 3D x = np.linspace(-5, 5, 100) y = np.linspace(-5, 5, 100) x, y = np.meshgrid(x, y) z = np.sin(np.sqrt(x