Thanks. I was stuck on the agenda.
On Sun, 17 Jan 2021 at 18:37, Henry Rich <[email protected]> wrote: > > m"n where m is a gerund. > > Henry Rich > > On 1/17/2021 10:36 AM, Justin Paston-Cooper wrote: > > What is the most elegant way to apply an array of functions to an > > array of non-functions? > > > > On Sun, 17 Jan 2021 at 18:27, Henry Rich <[email protected]> wrote: > >> It gives them a wrong mental model of rank, which they must unlearn > >> later. This can have serious consequences, particularly if they get > >> the idea that u"n is 'like u with the rank set to n' (if that were true, > >> u"1"_1 would be the same as u"_ 1, which it isn't). > >> > >> Ken thought you should learn J like you learn a natural language, by > >> seeing and saying, and creating your own rules internally. I think he > >> was wrong when it comes to verb rank. The idea is so new, and so > >> subtle, that users left to themselves get it wrong. I had one very > >> bright student who, discovering that (,1) + 1 2 3 gave an error, found > >> that +/ would not give an error, and ever after applied / to every > >> verb. He created his own rule, you see. > >> > >> Henry Rich > >> > >> On 1/17/2021 12:24 AM, Raul Miller wrote: > >>> Does it really cost them that much? > >>> > >>> Given that beginner problems generally do not involve multi-megabytes > >>> of data, I mean... > >>> > >>> Thanks, > >>> > >> > >> -- > >> This email has been checked for viruses by AVG. > >> https://www.avg.com > >> > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > -- > This email has been checked for viruses by AVG. > https://www.avg.com > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
