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
