One thing I've noticed is that the amount of material available for beginner -> advanced follows something like a power law: it wouldn't hurt to take the five minute limit seriously - unlike my extremely over-ambitious attempt in http://www.jsoftware.com/jwiki/DevonMcCormick/PresentingJIn5Minutes - and give a lot of very basic examples.
On Fri, Feb 14, 2014 at 10:02 PM, Don Guinn <dongu...@gmail.com> wrote: > Just viewed the videos by Cliff Hastings for Wolfram. Surprised to see that > there looked like an error in the second video on making a first order fit > showing the line going above the origin when x=0. Later it showed it > correctly. Sent him a note about that. > > But what really bothers me about demos like this is that they look so easy > when they do it, but if I were to try to do it I wouldn't know where to > start. He implied that one could do it without knowing much of anything of > their system. I really get tired of videos like this where they type really > fast and it looks so easy if one just knew their system well, but I usually > don't. If I was presented that screen and wanted to do what he did I > wouldn't have a clue what to do. > > We need to present similar videos on J, but somehow we need to make it > obvious and logical as to what to do. His video was neat, but could I do it > as quickly and easily as he did it without putting in hours, possibly days > learning their system? I doubt it. > > > On Fri, Feb 14, 2014 at 7:17 PM, Murray Eisenberg <mur...@math.umass.edu > >wrote: > > > If you'd like to see what a good quick demo looks like, done by one guy > > with no fancy production values -- and of a language/system having a > > state-of-the-art user interface, take a look at either of the following: > > > > > > > http://www.wolfram.com/broadcast/search.php?Search=app%20minute&x=-879&y=-139&video=728 > > > > http://www.wolfram.com/broadcast/video.php?channel=86&video=869 > > > > On 14 Feb 2014 19:00:45 -0500, Henry Rich <henryhr...@nc.rr.com> wrote: > > > > > As Ian [Clark] observed, a newcomer's first 5 minutes with J will be > > decisive in > > > establishing their attitude towards the language. As things stand, it > > > takes a serious geek to take a shine to J in 5 minutes. Just between > us > > > geeks, I wish there were more of us, but that's not the way to bet. > > > > > > No, we need a snappy demo: an application that everyone can relate to, > > > showing how we can code something meaningful and get a pretty display > in > > > under 5 minutes. Ideally it should be a YouTube video, with an > > > accompanying Lab so the interested user can reproduce the results. > > > > —— > > Murray Eisenberg mur...@math.umass.edu > > Mathematics & Statistics Dept. > > Lederle Graduate Research Tower phone 240 246-7240 (H) > > University of Massachusetts > > 710 North Pleasant Street > > Amherst, MA 01003-9305 > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
