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
