Hello, Le dim. 25 sept. 2022 à 08:35, 'Nasser M. Abbasi' via FriCAS - computer algebra system <[email protected]> a écrit :
> > "As I wrote large size/timeout on such integrals is artifact of > Sage interface. You can see answer on FriCAS command line." > > But it hangs using Fricas directly. When I tried it above I was not using > sagemath at all. > > ========================= > (1) -> setSimplifyDenomsFlag(true) > (1) false > Type: > Boolean > (2) -> ii:=integrate(cos(d*x+c)^4/(a+b*sin(d*x+c)^3)^2,x); > =========================== > > The above hangs on my computer. I am using 1.3.8. I waited for more > than 30 > minutes and had to stop it. But this below completes in about 1 minute: > > ============================= > 1) -> setSimplifyDenomsFlag(false) > (1) false > Type: > Boolean > (2) -> ii:=integrate(cos(d*x+c)^4/(a+b*sin(d*x+c)^3)^2,x); > ============================== > > Idem, I can reproduce this with a Debian unstable based distribution. > If setSimplifyDenomsFlag(false): 59:35 sec otherwise I don't know it was > too long (more than 1O minutes). > __ Greg -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/fricas-devel/CAHnU2dZBx_ktcRdZefw3%2Bh0AozS6JYphFV-gVrORU_XMmPtwLA%40mail.gmail.com.
