Did I understand you right -- you tried outputting a PDF in JQt, and the PDF contained arrows?
On Sat, 4 Mar 2023 at 23:14, 'Mike Day' via Chat <[email protected]> wrote: > Yes, I tried in jios too, and was going to ask the forum how to get the > arrows, but I then tried it in JQt under Windows on the laptop, where they > did appear, pointing in what appeared to be the correct direction. > > Mike > > Sent from my iPad > > > On 4 Mar 2023, at 22:25, Ian Clark <[email protected]> wrote: > > > > Jan-Pieter wrote: > >> Jios 903.1 gives the same result (i.e. colours, but not arrows). > > > > When I get time I'll look into this. But for now I'll just say that jios > > uses plot/pd to generate a *pdf* of the viewmat pic, which is what it > > displays. Generation of the pdf might possibly be corrupt or incomplete. > > > > Might there be a font full of arrows missing? (Just a guess). > > > >> On Thu, 2 Mar 2023 at 14:33, 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
