Try this, don't know if this works for al versions: from pylab import * x=10**linspace(0,5,100) y=1/(1+x/1000) loglog(x,y) show()
If you only need a logarithm along one axis you can use semilogx() or semilogy(). For more detailed questions go to the matplotlib mailing list. Cheers, Bas -- http://mail.python.org/mailman/listinfo/python-list