Hi Devon, You are probably thinking of the foreign conjunction 8!:y (Format)
J dictionary https://www.jsoftware.com/help/dictionary/dx008.htm Nuvoc https://code.jsoftware.com/wiki/Vocabulary/Foreigns#m8 Cheers, bob > On Sep 12, 2019, at 6:57 AM, Devon McCormick <[email protected]> wrote: > > I tried searching the wiki and noticed that there is a "printf" add-on for > C-like formatting. Also, I recall that there is something that uses text > format specifiers, like '<9.3d>' or such. I know I've used it but cannot > find the code or a reference on the J site. > > On Thu, Sep 12, 2019 at 12:38 AM Henry Rich <[email protected]> wrote: > >> I'm puzzled. When you look at >> https://code.jsoftware.com/wiki/Vocabulary/quoteco#dyadic , the second >> example uses a complex x to control formatting. If you read on in the >> detail, you see complex x used repeatedly. >> >> Do this: go back to that page and read carefully, especially after "More >> Information", and especially item 2 under "Numeric y". If you still >> think the definition of complex x is unclear, come back & we'll discuss >> how to improve it. >> >> Henry Rich >> >> On 9/12/2019 12:04 AM, HH PackRat wrote: >>> On 9/11/19, Henry Rich <[email protected]> wrote: >>>> The definitive documentation of J is NuVoc >>>> https://code.jsoftware.com/wiki/NuVoc >>>> ": is described in >> https://code.jsoftware.com/wiki/Vocabulary/quoteco#dyadic >>> and Chris Burke said essentially the same thing. >>> >>> I'm very familiar with the ": primitive. It was the 0j4 >>> construction that I don't recall coming across before for numeric >>> formatting. >>> >>> I would never have thought to look under imaginary numbers in NuVoc to >>> find out how to format a numeric result for display (0j4 or 6j2, for >>> example). Besides, the imaginary numbers section in NuVoc doesn't >>> deal with numeric display formatting at all. I also saw it mentioned >>> in the "Vocabulary/quoteco" section where it was used but never >>> defined. (Based on context there, my guess is that the first digit >>> relates to the digits to display to the left of the decimal point and >>> that the second digit relates to the number of digits to display to >>> the right of the decimal point. But where is that definition to be >>> found?) As with imaginary numbers, I would never have thought to look >>> under ": to find out about even using 0j4. >>> >>> So my question still stands: where do I find the definition of the >>> type of numeric formatting such as the 0j4 construction? How would I >>> have found it by searching the wiki if I didn't know the 0j4 type of >>> construction in the first place? >>> >>> Harvey >>> ---------------------------------------------------------------------- >>> 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 >> > > > -- > > Devon McCormick, CFA > > Quantitative Consultant > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
