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> On Mar 3, 2023, at 11:37 AM, Donna Ydreos <[email protected]> wrote: > > 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
