Быков Максим МФ_71 уровень “Средний” 3 задача import numpy as np import matplotlib.pyplot as plt from mpl_toolkits.mplot3d import Axes3D from matplotlib.colors import LightSource

X = np.linspace(-5, 5, 100) Y = np.linspace(-5, 5, 100) X_grid, Y_grid = np.meshgrid(X, Y)

Z_grid = np.sin(np.sqrt(X_grid2 + Y_grid2)) * 2 + np.cos(Y_grid) * 1.5

ls = LightSource(azdeg=315, altdeg=45)

shaded_Z = ls.shade(Z_grid, cmap=plt.cm.terrain, vert_exag=0.2, blend_mode=‘soft’)

fig = plt.figure(figsize=(8, 6)) ax = fig.add_subplot(111, projection=‘3d’)

ax.plot_surface(X_grid, Y_grid, Z_grid, facecolors=shaded_Z, rstride=1, cstride=1)

ax.set_xlabel(“X координата”) ax.set_ylabel(“Y координата”) ax.set_zlabel(“Высота (Z)”)

plt.show() 2 задача import pandas import matplotlib

df = pd.DataFrame(“Книга1.xlsx”)

plt.plot(df x, df y, marker=‘o’, linestyle=‘-’, color=‘blue’) plt.xlabel(“x”) plt.ylabel(“y”) plt.title(“Line Chart Example”) plt.grid() plt.show() 1 задача import pandas as pd stroka=int(input(“Какая строка вас интересует”)) print(df.iloc[stroka])