Another experiment
We have two people Anna and Björn
They tell the truth on following days

   annas=.    'Monday';'Tuesday';'Wednesday';'Thursday'

   bjorns=.'Sunday';'Monday';'Friday';'Saturday'

Did you tell a lie yesterday?

What day did they both answer yes?

So how to get from the above to the following?

   annalb=.   0 1 0 0 0 1 0

   bjornlb=. 0 0 1 0 0 1 0

   days=.
 'Sunday';'Monday';'Tuesday';'Wednesday';'Thursday';'Friday';'Saturday'

   > (*/ |: annalb ,. bjornlb)# days
Friday


-- 
Björn Helgason, Verkfræðingur
Fugl&Fiskur ehf,
Þerneyjarsundi 23, Hraunborgum
Po Box 127,801 Selfoss ,
t-póst: [EMAIL PROTECTED]
gsm: +3546985532
Landslags og skrúðgarðagerð, gröfuþjónusta
http://groups.google.com/group/J-Programming


Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans

góður kennari getur stigið á tær án þess að glansinn fari af skónum
         /|_      .-----------------------------------.
        ,'  .\  /  | Með léttri lund verður        |
    ,--'    _,'   | Dagurinn í dag                     |
   /       /       | Enn betri en gærdagurinn  |
  (   -.  |        `-----------------------------------'
  |     ) |        (\_ _/)
 (`-.  '--.)       (='.'=)
  `. )----'        (")_(")
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

Reply via email to