Please try this under jqt: install 'all' coclass 'qtdemo' svgdemo_run=: 3 : 0 wd 'pc svgdemo closeok escclose' wd 'bin v' wd 'cc s1 svgview zoom' NB. show zoom control wd 'cc s2 svgview' wd 'bin z' wd 'set s1 image *',jpath '~addons/demos/qtdemo/image/default.svg' wd 'set s2 xml *',fread '~addons/demos/qtdemo/image/bubbles.svg' wd 'pmove 0 0 400 600' wd 'pshow' ) svgdemo_run''
Thanks, -- Raul On Mon, Jan 8, 2018 at 5:13 PM, Dabrowski, Andrew John <[email protected]> wrote: > After reading "Algebra as Language" and "Computers and Mathematical > Notation", I'm starting to see J the perfect language for numerical > computation. But for general purpose programming I can see Dijkstra's point. > > When APL was designed computers were seen largely as calculating machines. > But by the 1970s GUIs were starting to be developed, and computers were being > applied in areas where tensors were no longer adequate as the sole data > structure. One thing general purpose programming languages must have is > extensibility, and that J lacks. > > I'm trying to work out what the appropriate use cases are for J, and I think > it's calculating with tensors. If you need more than tensors, or if you need > more than calculation (e.g. GUIs), J is not a good choice. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
