Thanks, I will look into that. Henry Rich
On Tue, Apr 24, 2018, 11:31 Arie Groeneveld <[email protected]> wrote: > I noticed a much longer execution time in J807-beta compared with J806 > concerning the calculation of Bell polynomials. > > Verbs: > > mndiff=:[:;<@(({.*(#~0<])@}.),.( +/@:,:"1 -@I.@:~:&0 |."0 1 {.&_1 > 1@#)@}.)@,&0"1 > mnmul=: +/@:,:&0 1"1 > mnsum=:(+/@:({."1),}.@{.)/.~}."1 > diffM=: mnsum@(mnmul,mndiff) > > BellP=: diffM&.>^:(<`(<@,:@1 0x"_)) f. > > JVERSION > Engine: j807/j64/linux > Beta-d: commercial/2018-04-17T16:06:53 > Library: 8.07.13 > Qt IDE: 1.7.1/5.5.1 > Platform: Linux 64 > Installer: J807 install > > > > 6!:2 'BellP 30' > 26.1978 > > > > > JVERSION > Engine: j806/j64/linux > Release: commercial/2017-11-06T09:54:01 > Library: 8.06.09 > Qt IDE: 1.6.2/5.3.2 > Platform: Linux 64 > Installer: J806 install > > > 6!:2 'BellP 30' > 2.34475 > > > This all of course apart from bad programming practice. :-) > > > @@i > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
