The most recent version of this documentation can be found 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.
The most recent version of this documentation can be found 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.