I sometimes use "(<x)+./ . E &> y" to look up any occurrences of string x in vector of strings y; it avoids a little cruft compared to, say "+./&>(<x)E.&.>y".
On Mon, Jan 9, 2023 at 4:33 PM Raul Miller <rauldmil...@gmail.com> wrote: > < .* is handy for visualizing what the operation does. > > It's been a while since I've worked in a realm which uses dot products > though, so I don't have any other examples at my fingertips. > > Thanks, > > -- > Raul > > On Mon, Jan 9, 2023 at 1:21 PM Omar Antolín Camarena <o...@matem.unam.mx> > wrote: > > > > Are the some good examples of using matrix product u . v but where the > verb u is not of the form w/ for some w? > > > > -- > > Omar > > ---------------------------------------------------------------------- > > 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 Quantitative Consultant ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
