You can also invoke the displays directly from your session. e.g. 5!:2 <'sqsum' ┌─────────┬─┐ │┌──┬──┬─┐│/│ ││*:│@:│+││ │ │└──┴──┴─┘│ │ └─────────┴─┘ 5!:2 <'sqsum1' ┌──┬──┬─────┐ │*:│@:│┌─┬─┐│ │ │ ││+│/││ │ │ │└─┴─┘│ └──┴──┴─────┘
On Tue, Nov 8, 2011 at 5:01 PM, Don Nguyen <[email protected]> wrote: > Thanks Roger, forms of display looks like a very helpful feature. Is > this from within GTK? This is the screen that I currently see > http://dl.dropbox.com/u/12337149/jterm.png > On Wed, Nov 9, 2011 at 11:43 AM, Roger Hui <[email protected]> wrote: >> Without parens, *:@:+/ is interpreted as (*:@:+)/. You need to say *:@:(+/). >> >> The various forms of display can be helpful. On the main menu, >> Edit|Config|Display Form. If all display forms are selected, you get: >> >> sqsum =: *: @: +/ >> sqsum >> *:@:+/ >> ┌─────────┬─┐ >> │┌──┬──┬─┐│/│ >> ││*:│@:│+││ │ >> │└──┴──┴─┘│ │ >> └─────────┴─┘ >> ┌─ *: >> ── / ─── @: ─┴─ + >> (*:@:+)/ >> >> >> sqsum1 =: *: @: (+/) >> sqsum1 >> *:@:(+/) >> ┌──┬──┬─────┐ >> │*:│@:│┌─┬─┐│ >> │ │ ││+│/││ >> │ │ │└─┴─┘│ >> └──┴──┴─────┘ >> ┌─ *: >> ── @: ─┴─ / ─── + >> *:@:(+/) >> >> >> >> >> On Tue, Nov 8, 2011 at 4:36 PM, Don Nguyen <[email protected]> wrote: >>> I have the following function >>> sqsum =: *: @: +/ >>> When I use it as follows >>> sqsum 1 2 3 >>> It produces 676 whereas the correct output should be >>> *: (+/ 1 2 3) >>> =36 >>> What have I done wrong? >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >>> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
