8.1 绘制等高线图 import numpy as np import matplotlib.pyplot as plt def calcu_elevation(x1, y1): h = (1-x1/2 + x1 ** 5 + y1 ** 3) * np.exp(-x1** 2 - y1** 2) return h n = 256 x = np.linspace(-2, 2, n) y = np.linspace(-2, 2, n) x_grid, y_grid = np.meshgrid(…