| from mpl_toolkits.mplot3d import Axes3D | |
| from matplotlib import cm | |
| import matplotlib.pyplot as plt | |
| try: | |
| import numpy as np | |
| except: | |
| exit() | |
| from deap import benchmarks | |
| def schwefel_arg0(sol): | |
| return benchmarks.schwefel(sol)[0] | |
| fig = plt.figure() | |
| # ax = Axes3D(fig, azim = -29, elev = 50) | |
| ax = Axes3D(fig) | |
| X = np.arange(-500, 500, 10) | |
| Y = np.arange(-500, 500, 10) | |
| X, Y = np.meshgrid(X, Y) | |
| Z = np.fromiter(map(schwefel_arg0, zip(X.flat,Y.flat)), dtype=float, count=X.shape[0]*X.shape[1]).reshape(X.shape) | |
| ax.plot_surface(X, Y, Z, rstride=1, cstride=1, cmap=cm.jet, linewidth=0.2) | |
| plt.xlabel("x") | |
| plt.ylabel("y") | |
| plt.show() |