NB: More recent documentation for Dyalog APL is available at https://docs.dyalog.com/20.0/.
The form R←X⍪Y implies catenation along the first axis whereas the form R←X,Y implies catenation along the last axis (columns). See Catenate/Laminate.
NB: More recent documentation for Dyalog APL is available at https://docs.dyalog.com/20.0/.
The form R←X⍪Y implies catenation along the first axis whereas the form R←X,Y implies catenation along the last axis (columns). See Catenate/Laminate.