Thank you! I have been bit by that error so many times. And it usually takes me forever to find it.
On Sat, Feb 25, 2012 at 7:33 AM, Henry Rich <henryhr...@nc.rr.com> wrote: > Thanks. Your problem is the old 'x ; boxed y' error. > > (0;sj;<mj2) ;: y > +---+--+-+--+---+-+-+-+-+-+---+-+---+-+ > |sum|=.|(|i.|3 4|)|+|/|.|*|0j4|+|pru|4| > +---+--+-+--+---+-+-+-+-+-+---+-+---+-+ > > > Henry Rich > > On 2/24/2012 11:58 PM, Don Guinn wrote: > > d332 for ;: in J Vocabulary. I didn't want to put all that in the mail, > but > > here it is. > > > > mj=: 256$0 NB. X other > > mj=: 1 (9,a.i.' ')}mj NB. S space and tab > > mj=: 2 ((a.i.'Aa')+/i.26)}mj NB. A A-Z a-z excluding N B > > mj=: 3 (a.i.'N')}mj NB. N the letter N > > mj=: 4 (a.i.'B')}mj NB. B the letter B > > mj=: 5 (a.i.'0123456789_')}mj NB. 9 digits and _ > > mj=: 6 (a.i.'.')}mj NB. D . > > mj=: 7 (a.i.':')}mj NB. C : > > mj=: 8 (a.i.'''')}mj NB. Q quote > > > > sj=: _2]\"1 }.".;._2 (0 : 0) > > ' X S A N B 9 D C Q ']0 > > 1 1 0 0 2 1 3 1 2 1 6 1 1 1 1 1 7 1 NB. 0 space > > 1 2 0 3 2 2 3 2 2 2 6 2 1 0 1 0 7 2 NB. 1 other > > 1 2 0 3 2 0 2 0 2 0 2 0 1 0 1 0 7 2 NB. 2 alp/num > > 1 2 0 3 2 0 2 0 4 0 2 0 1 0 1 0 7 2 NB. 3 N > > 1 2 0 3 2 0 2 0 2 0 2 0 5 0 1 0 7 2 NB. 4 NB > > 9 0 9 0 9 0 9 0 9 0 9 0 1 0 1 0 9 0 NB. 5 NB. > > 1 4 0 5 6 0 6 0 6 0 6 0 6 0 1 0 7 4 NB. 6 num > > 7 0 7 0 7 0 7 0 7 0 7 0 7 0 7 0 8 0 NB. 7 ' > > 1 2 0 3 2 2 3 2 2 2 6 2 1 2 1 2 7 0 NB. 8 '' > > 9 0 9 0 9 0 9 0 9 0 9 0 9 0 9 0 9 0 NB. 9 comment > > ) > > > > x=: 0;sj;mj > > y=: 'sum=. (i.3 4)+/ .*0j4+pru 4' > > > > x ;: y > > > > On Fri, Feb 24, 2012 at 9:28 PM, Henry Rich<henryhr...@nc.rr.com> > wrote: > > > >> Where is this help, where sj and mj are defined? > >> > >> Henry Rich > >> > >> On 2/24/2012 7:25 PM, Don Guinn wrote: > >>> I've lost track of the number of times I have tried to make dyadic ;: > >> work. > >>> I read it, understand it (I think), but I can't get it to work. The > >> general > >>> description has m, the input mapping as a list of boxes, each box > >>> containing the items to be mapped to the same number. So, in an attempt > >> to > >>> figure out what is going on I converted the example in help to that > form > >>> and get an error. > >>> > >>> Given sj, mj and y as defined in help: > >>> > >>> (0;sj;mj) ;: y > >>> +---+--+-+--+---+-+-+-+-+-+---+-+---+-+ > >>> |sum|=.|(|i.|3 4|)|+|/|.|*|0j4|+|pru|4| > >>> +---+--+-+--+---+-+-+-+-+-+---+-+---+-+ > >>> > >>> So far, so good. Convert mj to the boxed form (display shortened to fit > >>> e-mail): > >>> > >>> mj2=:(/:~.mj){mj</.a. > >>> ,.50{.&.>mj2 > >>> +--------------------------------------------------+ > >>> | ┌┬┐├┼┤└┴┘│─ !"#$%&()*+,-/;<=>?@| > >>> +--------------------------------------------------+ > >>> | | > >>> +--------------------------------------------------+ > >>> |ACDEFGHIJKLMOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz| > >>> +--------------------------------------------------+ > >>> |N | > >>> +--------------------------------------------------+ > >>> |B | > >>> +--------------------------------------------------+ > >>> |0123456789_ | > >>> +--------------------------------------------------+ > >>> |. | > >>> +--------------------------------------------------+ > >>> |: | > >>> +--------------------------------------------------+ > >>> |' | > >>> +--------------------------------------------------+ > >>> > >>> Test it to see if it is ok. > >>> > >>> my=. (y i.~;m) { (#m),~(#&>m)#i.#m NB. From help > >>> y,:,":"0 my > >>> sum=. (i.3 4)+/ .*0j4+pru 4 > >>> 222061026515000160525022215 > >>> > >>> Looks good, but > >>> > >>> (0;sj;mj2) ;: y > >>> |length error > >>> | (0;sj;mj2) ;:y > >>> > >>> The problem is not with y, but something about mj2. > >>> > >>> (0;sj;mj2)&;: > >>> |length error > >>> | (0;sj;mj2)&;: > >>> > >>> As I understand the description in help, this should work. > >>> > >>> So, what am I missing? > >>> ---------------------------------------------------------------------- > >>> 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 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm