import numpy as np
from scipy.interpolate import griddata

np.set_printoptions(precision=2, suppress=True)

points = np.array([
    [0.0, 0.0],
    [2.0, 0.0],
    [0.0, 2.0],
    [2.0, 2.0],
    [0.8, 0.6],
    [1.5, 1.2],
])
values = 3 * points[:, 0] - 2 * points[:, 1] + 4