The coordinates of the plot will be converted to integer for rendering.
Therefore any values of infinity or NaN can not be handled.
On Sun, Mar 12, 2023 at 2:07 PM More Rice <mrmorer...@gmail.com> wrote:
> Hi,
>
> some questions, if I may ...
>
> 1. plot can't handle asymptote (or "not in domain" issue) right at the
> boundary in its domain?
>
> install 'all'
>
> load 'plot trig numeric'
>
> plot _5 5 ; '%' NB. ok
>
> plot _5 0 ; '%' NB. Bad
>
> |NaN error: plotfintvl
>
> | bakproj=.({:"1 zvals),~"0 1(}."1 zvals) -(}."1 secant)*"1 intsize
>
> plot 0 5 ; '%' NB. Bad
>
> |NaN error: plotfintvl
>
> | fwdproj=.({."1 zvals),"0 1(}:"1 zvals) +(}:"1 secant)*"1 intsize
>
> plot 0 10; '%:' NB. ok
>
> plot _1 10; '%:' NB. Bad
>
> |domain error: plotsubd
>
> | mtone1=.
> (<./@:((((i.&0)@:(2&(<:/\)))>.((i.&0)@:(2&(>:/\))))"1))@(1&{::)"1 d
>
> JVERSION
>
> Engine: j903/j64avx2/windows
>
> Release-b: commercial/2022-01-28T04:09:50
>
> Library: 9.03.08
>
> Qt IDE: 1.9.5s/5.15.2(5.15.2)
>
> Platform: Win 64
>
> Installer: J903 install
>
> InstallPath: c:/users/myself/software/j903
>
> Contact: www.jsoftware.com
>
>
>
> 2. I'm trying to control plot's y-scale and x-/y-tick labels. I don't see
> its doc in jwiki nor calculus.pdf. So, I tried scrolling through
> Help|Studio|Showcase...|plot to see if they're possible; but still
> nothing. For example, instead of a numeric value, I want to do 0, +/-
> 1p1, +/- 2p1, etc. Can it be done?
>
>
> 3. While looking for solution to #2, I stumbled upon a bug:
> Help|Studio|Showcase...|isigraph. Repeatedly pressing F12 till you see
> 'Screen Roller' (yes, ignore Paint Demo and just hit another F12). Once
> you reach this stage, Paint Demo will relaunch if you try to exit the
> window. In the end, I've to kill the jqt to get out of the demo.
>
>
> thanks
>
>
> Maurice
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>
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