(2,:3) +/;._3 i. 10 3 9 15 21 Henry Rich
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of June Kim > Sent: Monday, July 31, 2006 9:46 PM > To: Programming forum > Subject: [Jprogramming] Skipping Prefix > > Hello, > > Is there an easier(and more general) way of doing "skipping prefix"? > With "skipping prefix", I mean the start point of each group could be > 1 or greater. > > sp=:1 : 'u&> ((1 0 $~ #) # ]) 3 <\ y' > > <sp i.10 > +-----+-----+-----+-----+ > |0 1 2|2 3 4|4 5 6|6 7 8| > +-----+-----+-----+-----+ > > +/sp i.10 > 3 9 15 21 > > Maybe, "2 3 u sp y" is better, which moves the start point of each > group by 2 and the size of the group is 3. > ---------------------------------------------------------------------- > For information about J forums see > http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
