Probably, the `step' needs to be given somewhere. Because this integral is approximated as a finite sum. I woder, what to call.
Please, copy the answer to [email protected] Thanks, --------------- Sergei On Tuesday, April 21, 2015 at 10:37:51 PM UTC+4, mechvel wrote: > > People, > > I am trying to use FriCAS 1.2.5 > to find numerically > > Integral from a to b > (<certain rational function of x over Integer> * ln(abs(x))) dx, > > with a, b : Float, with computing everything as Float. > > > Is it of the package > ElementaryFunctionDefiniteIntegration(D4,D2) > ? > I see > > (D2,SegmentBinding(OrderedCompletion(D2))) -> Union(f1: > OrderedCompletion(D2),f2: List(OrderedCompletion(D2)),fail: > failed,pole: potentialPole) > from ElementaryFunctionDefiniteIntegration(D4,D2) > if D2 has Join(TRANFUN,PRIMCAT,ACFS(D4)) and D4 has Join( > EUCDOM,COMPAR,CHARZ,RETRACT(INT),LINEXP(INT)), > > and wonder: > what types to set for D2, D4 ? > what needs to be the call ? > Is it > > int := integrate $ ElementaryFunctionDefiniteIntegration(?, ?) > > int (1.0/(x^2 + x), x = 0.5 .. 1.0) > ?? > > Thanks, > > ------ > Sergei > > -- 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 post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/fricas-devel. For more options, visit https://groups.google.com/d/optout.
