To reduce the dimensions of an array in J I tend to use ( ,/ myarray) $ ,3 1 $ ,/ ,3
On Thu, Mar 29, 2012 at 9:19 PM, Linda Alvord <lindaalv...@verizon.net> wrote: > a=:1$3 > a > 3 > 3= 2 3 5 3 4 > 0 1 0 1 0 > a= 2 3 5 3 4 > |length error > | a =2 3 5 3 4 > > ".a > |domain error > | ".a > a+5 > 8 > > Clearly, a is numeric. How can I change a to a numeric atom 3 , rather > than a one element list 3 ? > > I need to find where the 3's are in a list. The result of executing some > expression has produced a one item list of a 3 . > > I think I may have known how in APL once upon a time. > > Linda > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
