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from mpl_toolkits.mplot3d import Axes3D
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from matplotlib import cm
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from matplotlib.colors import LogNorm
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import matplotlib.pyplot as plt
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from deap import benchmarks
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return benchmarks.himmelblau(sol)[0]
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ax = Axes3D(fig, azim = -29, elev = 49)
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X = np.arange(-6, 6, 0.1)
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Y = np.arange(-6, 6, 0.1)
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X, Y = np.meshgrid(X, Y)
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Z = np.array(map(untuple, zip(X,Y)))
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ax.plot_surface(X, Y, Z, rstride=1, cstride=1, norm=LogNorm(), cmap=cm.jet, linewidth=0.2)
b'\\ No newline at end of file'