No, number two is still perf. Still perf. 00:00:12 [Leslie Goldsmith]
> On Mar 3, 2023, at 3:13 AM, esal <[email protected]> wrote: > > Hi Michal > > When I was checking before my earlier post I didn't remember there was a > lab. So I made up my own example. > > load'viewmat' > > > (],viewmat) |.j.~/~i:10 NB. lab example > > > (],viewmat) j./~i:10 NB. my experiment > > > Is the second one more closer to what you expected? > > > Esa > > > > > On Fri, Mar 3, 2023 at 4:23 AM Michal Wallace <[email protected]> > wrote: > >> Okay, I'm wrong. Sorry. :D >> >> Yes, the lab gives pretty much my exact example, but they write it like >> this: >> >> viewmat |.j.~/~i:10 >> >> >> My expectations were off because the default table piped through viewmat >> doesn't put the numbers in the same positions they would actually occupy on >> the plane. >> >> >> >> On Thu, Mar 2, 2023 at 9:33 AM Jan-Pieter Jacobs < >> [email protected]> >> wrote: >> >>> I think Esa is right. >>> It's explained with some examples in the viewmat lab, pages 8/20-12/20. >>> >>> It does not seem to work on Android though, just returning a blank window >>> (while viewmat on real inputs works perfectly). >>> >>> On the J Playground, it ddes not work either: it just shows the >> magnitude, >>> but not the arrows. Jios 903.1 gives the same result (i.e. colours, but >> not >>> arrows). >>> >>> Jan-Pieter >>> >>> On Thu, 2 Mar 2023, 14:02 esal, <[email protected]> wrote: >>> >>>> I think it represents the angle (phase, argument) of the complex number >>>> while the color is mapped to the magnitude (absolute value, length). >>>> >>>> Esa >>>> >>>> On Wed, Mar 1, 2023 at 7:21 PM Michal Wallace < >> [email protected]> >>>> wrote: >>>> >>>>> What is the word for what the arrows mean in viewmat when you are >>> looking >>>>> at complex numbers? >>>>> >>>>> I think that multiplying a number by the arrow's corresponding point >> is >>>>> going to do some kind of shearing (?) in that direction, but can >>> someone >>>>> help me put this concept into words? >>>>> >>>>> Thanks! >>>>> -Michal >>>>> >> ---------------------------------------------------------------------- >>>>> 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 >> > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
