it is true, I did it manually and the result should be 39.24!!!! Ondrej Certik wrote: > On Thu, Mar 12, 2009 at 1:36 PM, Jose Guzman <n...@neurohost.org> wrote: > >> Dear colleagues, >> >> I've just discovered this wonderful thing called Sage (I am a completely >> newbie, my apologizes in advance...), and I have to admit that I am >> impressed with Sage!!!. I started yesterday, and came along the tutorial >> already. I still miss some more documentation...specially related with >> worksheet use/configuration (I did not find any other way to combine >> LaTeX, html and sage to create nice worksheets like the ones I saw >> today. I simply start a cell with %htmlo %latex or %sage). >> >> Anyway, I was playing around with the limits, and after checking the >> short tutorial >> (http://sage.math.washington.edu/home/elliottd/calctut/limits.html) I >> wanted to try something by myself. I found the following inconvenience. >> >> >> sage: g=9.81 >> sage: t=var('t') >> sage: limit(2*g*(t^2-1)/(t-1),t=1) >> >>> gives me 39 >> >> However, if I simplify the equation and calculate the limit... >> sage: limit(2*g*(t+1),t=1) >> >> gives me the good value 39.276 >> > > I think the good value should actually be: > > In [4]: limit(2*g*(t**2-1)/(t-1), t, 1) > Out[4]: 39.24 > > > Ondrej > > > >
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