plot(sqrt(2*x^2-3)/(5*x-2), (x,-10,10),ymin=-5,ymax=5) merrily plots points when the numerator is imaginary:
http://aleph.sagemath.org/?z=eJwryMkv0SguLCrRMNKqiDPSNdbU1zDVqtA10tRR0KjQ0TU00DE00NSpzM3Ms9U1BdKJFbammgCoDQ7n I don't mind that it complains about failing to evaluate the function, but the plot is totally wrong. I want something more like: http://www.google.com/#q=sqrt(2*x%5E2-3)/(5*x-2) Dan -- --- Dan Drake ----- http://mathsci.kaist.ac.kr/~drake -------
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