Ah, I see that the "Book of Numbers" lab redefines each as: each=:"0
If you run this first, then this can cause problems when trying other labs. I'll get this fixed. I believe this was the problem with at least the circuit theory lab, which worked fine for me when tested in a fresh session. On Thu, Jun 12, 2014 at 11:03 AM, chris burke <cbu...@jsoftware.com> wrote: > Bjorn > > Thanks for the labs feedback. > > I tried the below on both Linux64 and Win64 and it worked fine. Could you > try again, and if there is still a problem, please examine the error line > and try to determine what causes the domain error. Thanks. > > Chris > > ── ((4) 11 of 23) Bernoulli numbers ───────────────────────── > > In BON, the coefficients given in the equations defining the > Bernoulli numbers are the alternating binomials, and are used > as shown below. The function x: (used in coeffs) invokes the > use of extended precision, presenting rationals in the form > 1r2 and 1r6, etc.: > ) > > bern=:(] mp numerator % denominator) , ] > numerator=:2 with trim on coeffs > denominator=:2 with from on - on coeffs > coeffs=:abct on inc on x: on # > |domain error: on > | coeffs=: abct on inc on x:on# > |[-3] > abct=:(] BC ei) * (_1 with power on ei) > > > on=:@: > > (this works ok in 32 bit win32 j801) > > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
