Nice. In FVJ3 I use spix=:[ # #"_1 NB. super pixel
The _1 means this also works for h by w by 3 arrays of RGB triples in addition to matrices.
Best, Cliff On 7/16/2014 6:32 PM, 'Pascal Jasmin' via Programming wrote:
spoiling quiz with answer already, neat short fork. zoom =: [ # #"1 for every cell in original, a 2x2 copy of that cell is made. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
-- Clifford A. Reiter Lafayette College, Easton, PA 18042 http://webbox.lafayette.edu/~reiterc/ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
