On Mar 23, 3:10 pm, Jose Guzman <[email protected]> wrote:
> Dear Sage users and developers,
>
> I am using Sage version 3.4 running on Linux/Debian. I am still not very
> familiar with Sage though. I tried to plot the following equation:
>
> sage: var('t'); # symbolic variable
> sage: var('g'); # symbolic variable
> sage: f(t) = g*(t**2-1)/(2*(t-1)) # try to simplify this function later...
>
> Obviously the function is not defined at t=1. Returns (0/0)
>
> sage: f(1).subs(g=9.81) # returns Division by 0
>
> The problem comes when I try to plot the whole function f(t). By default
> the plot is between -1 and +1.
>
> sage: fig = plot(f.subs(g=9.81)) # substitute g by 9.81 , otherwise not
> plotted
> sage: show(fig)
How about:
sage: fig = plot(f.subs(g=9.81), xmin=-1,xmax=1) + plot(f.subs
(g=9.81), xmin=1, xmax=10)
Actually,
sage: fig = plot(f.subs(g=9.81), xmin=-1,xmax=10)
seems to work, too.
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