Oops, for some reason I thought you wanted even and odd digits. To get first and last, you can use
a=.10 #.^:_1 <.@o.10x^199 'first last' =. (<.-:#a) ({. ; }.) a first 3 1 4 1 5 ... last 9 8 2 1 4 ... On 3/25/2012 10:29 AM, Henry Rich wrote: > a=.<.@o.10x^199 > 'evendig odddig' =. |: _2 [\ 10 #.^:_1 a > evendig > 3 4 5 2 5 ... > odddig > 1 1 9 6 3 ... > > Henry Rich > > On 3/25/2012 6:19 AM, m l wrote: >> >> The verb<.@o.10x^n generates the n digits of Pi. >> >> Now, asign this to a variable, for example, a=.<.@o.10x^200 (n=200 in this >> case) >> >> How to extract the n/2 first digts and asign to another variable ? >> >> How to extract the n/2 last digits and asign to a variable ? >> >> 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