Note

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contour(X, Y, Z)#

Plot contour lines.

Seecontour.

contour
importmatplotlib.pyplotaspltimportnumpyasnpplt.style.use('_mpl-gallery-nogrid')# make dataX,Y=np.meshgrid(np.linspace(-3,3,256),np.linspace(-3,3,256))Z=(1-X/2+X**5+Y**3)*np.exp(-X**2-Y**2)levels=np.linspace(np.min(Z),np.max(Z),7)# plotfig,ax=plt.subplots()ax.contour(X,Y,Z,levels=levels)plt.show()

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