Thanks for the timespace stuff robert and Dan, most useful.
On 10 June 2014 16:32, robert therriault <[email protected]> wrote: > Hi Alex, > > I think that timespacex may be the verb you are looking for to evaluate > your program > > timespacex '( 10 %&^.~ ]) ? 1000 $ 900' > 0.0011087 18240 > timespacex '(10&^inv) ? 1000 $ 900' > 0.000245056 26304 > timespacex > 6!:2 , 7!:2@] > > time foreign conjunctions - > http://www.jsoftware.com/help/dictionary/dx006.htm > space foreign conjunctions - > http://www.jsoftware.com/help/dictionary/dx007.htm > > Cheers, bob > > On Jun 10, 2014, at 3:42 AM, Alex Giannakopoulos <[email protected]> > wrote: > > > Which of these two is the more efficient (if there's any difference) and > is > > there any way way mere mortals can tell? > > > > log10 =: 10 %&^.~ ] > > > > logb10 =: 10&^inv > > > > Further, if I only wanted to find the order of a given +ve integer > > > > would it be better to do <. @ log10 (or <. @ logb10) > > or something like: > > > > <:@#@(10&#. inv) > > > > > > Thanks > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
