import numpy as np
import matplotlib.pyplot as plt
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import axes3d, Axes3D #<-- Note the capitalization!

if __name__=='__main__':
	xx=yy=np.linspace(0,50,51)
	x,y=np.meshgrid(xx,yy)
#	z=np.minimum(x,y)/np.log(np.exp(1)+abs(x-y))
	z=np.minimum(x,y)/(np.exp(1)+abs(x-y))

	from mpl_toolkits.mplot3d import Axes3D
	fig=plt.figure()
	ax=Axes3D(fig)
	ax.plot_wireframe(x,y,z,rstride=1,cstride=1,alpha=0.5)
	ax.set_xlabel('+ votes')
	ax.set_ylabel('- votes')
	ax.set_zlabel('controversy')

	plt.show()