plotting and solving inequalities



> Yes, probably there is no clean solution. (see my reply the following post). 
> For periodic functions, the range could be cut after a few periods.
> Just for your information: Mupad plots the function sin(x) within [-5,5]
> The same for sin(8*x) and sin(0.1*x). So it appears that they have chosen a
> fixed range for every function.
> 
> I have also tried x/(x^2-100): the picture displayed is in the x range
> [-5,5] and in the y range [-0.06,0.06]. 
> --> Note that asimptotes (at +-10) are NOT shown. So that it appears Mupad
> has gone for a not so smart solution. 
> I guess the Mupad 'marketing office' maintains that feature is appreciated
> by users, as a starting point, if they did not care to set the range. 

Gnuplot has also a default xrange, namely [-10:10], so that you can
write in a fresh session:

plot sin(x)

or 

plot sin(0.1*x)

In both cases, you'll get plots in the [-10:10] domain.

Honestly, I prefere to set myself the xrange, which is plot2d and draw2d
policy.



-- 
Mario Rodriguez Riotorto
www.biomates.net