This was very helpful. Thanks. Linda
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Aai Sent: Sunday, June 15, 2014 3:41 AM To: [email protected] Subject: Re: [Jprogramming] fibonacci performance f7 is f ^: (<`(1,1:)) y where f is +/\@|.^:2 Here is an example: +:^:(<`(1,1:)) 3 1 1 2 2 4 4 it's the same as: +:^:(<3) (1,1:) 3 1 1 2 2 4 4 Mind this (1,1:) 3 1 1 Constant function: 1: 3 1 But I'm not sure if this is what you want to know. On 15-06-14 08:25, Linda Alvord wrote: > Function g and f7 each contain tie. I can't understand where and how > it is used in f7. The tree looks just like h rather than g. Where is tie > used in f7? > > g=:<`(1,1:) > > 5!:4 <'g' > -- (<,'<'),<(<,'3'),<(<(,'0');1),(<,','),<'1:' > > h=:<(1,1:) > > 5!:4 <'h' > -- < > --+ -- 1 > L---+- , > L- 1: > > f7=:[:,([:+/\|.)^:2^:(<`(1,1:)) > > 5!:4 <'f7' > -- [: > +- , > │ -- [: > --+ ----+- \ --- / --- + > │ -- ^: -+ L- |. > │ │ L- 2 > L- ^: -+ > │ -- < > L------+ -- 1 > L---+- , > L- 1: > > f7 6 > 1 1 2 3 5 8 13 21 34 55 89 144 > > Linda > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Aai > Sent: Wednesday, June 11, 2014 5:09 AM > To: [email protected] > Subject: Re: [Jprogramming] fibonacci performance > > Also: > > ([:,+/\@|.^:2^:(<`(1x,1:))) > > or > > ([:,|.@(+/\.)^:2^:(<`(1x,1:))) > > > On 07-06-14 12:08, R.E. Boss wrote: >> [:, ([:+/\ +/\.)^: (<@]`(1x 1"_)) >> >> >> >> > http://www.jsoftware.com/jwiki/RE%20Boss/J-blog/Fibonacci#New_performance_re >> cord >> >> >> >> >> >> R.E. Boss >> >> >> >> (Add your info to <http://www.jsoftware.com/jwiki/Community/Demographics> >> http://www.jsoftware.com/jwiki/Community/Demographics ) >> >> >> >> >> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm -- Met vriendelijke groet, @@i = Arie Groeneveld ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
