[sage-support] Re: Derivative of functions ...

2018-11-02 Thread Matthias Koeppe
On Friday, November 2, 2018 at 5:44:34 PM UTC-7, Emmanuel Charpentier wrote: > > One way to define (something almost the same as) what you want is : > sage: f=piecewise([((-oo,0),x^3),((0,oo),x^2)],var=x) > sage: f > piecewise(x|-->x^3 on (-oo, 0), x|-->x^2 on (0, +oo); x) > [...] Except for the

[sage-support] Re: Derivative of functions ...

2018-11-02 Thread Emmanuel Charpentier
One way to define (something almost the same as) what you want is : sage: f=piecewise([((-oo,0),x^3),((0,oo),x^2)],var=x) sage: f piecewise(x|-->x^3 on (-oo, 0), x|-->x^2 on (0, +oo); x) An indeed; you can do sage: plot(f(x),(x,-1,1), figsize=3) which seems correct. Except for the point 0, for

Re: [sage-support] kernel keeps dying

2018-11-02 Thread slelievre
Please can you say how this was solved for you? Le lundi 29 octobre 2018 16:21:01 UTC+1, mali claramunt: > > already solved, thank you > > El lun., 29 oct. 2018 a las 15:59, Dima Pasechnik: > >> On Mon, Oct 29, 2018 at 2:23 PM mali claramunt: >> > >> > I don't know how to >> >> use the usual

[sage-support] Re: Blue on black text

2018-11-02 Thread slelievre
Le mercredi 31 octobre 2018 12:21:34 UTC+1, deSitter a écrit : > My text terminal uses a black background. The default text is > dark blue on jet black. This is not a winning start to 8.4. > How do I change the text color. You can enter one the following at the Sage prompt: sage: %colors

[sage-support] sagemath-8.4.2 ubuntu 19.04

2018-11-02 Thread HG
Disco Dingo future ubuntu 19.04 has sagemath-8.4.2 for those who could be interested (very early disco even not alpha) -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an

Re: [sage-support] sagemath-8.4.2 ubuntu 19.04

2018-11-02 Thread Jan Groenewald
You can also track the released versions: https://packages.ubuntu.com/search?keywords=sagemath=names https://packages.debian.org/search?keywords=sagemath=names New Ubuntu releases sync form Debian Unstable. You may not want to run Debian Unstable, but Debian Testing tracks a few days or weeks