Hi Gene,
To answer your first question, here is a sample piecewise-defined function
in Gnuplots:
<gnuplot width="400" solid="0" plotcolor="monochrome" gridlayer="off"
bmargin="default" font="9" alttag="dynamically generated plot"
bgcolor="xffffff" texfont="22" transparent="off" plottype="Cartesian"
rmargin="default" gridtype="Cartesian" minor_ticscale="0.5"
fontface="sans-serif" grid="on" align="middle" texwidth="93" height="300"
border="on" samples="1000" fgcolor="x000000" major_ticscale="1"
tmargin="default" lmargin="default" fillstyle="empty">
<axis yzero="off" xformat="on" xmin="-10.0" yformat="on"
color="x000000" ymax="10.0" ymin="-10.0" xmax="10.0" xzero="off" />
<curve
linestyle="lines"
color="x000000"
pointtype="1"
linetype="solid"
linewidth="1"
name=""
limit="closed"
pointsize="1" >
<function>x < 0 ? -x : x**2</function>
</curve>
</gnuplot>
Best,
Justin
--
*Justin Gray*
Senior Lecturer | Department of Mathematics
Simon Fraser University | SCK 10531
8888 University Dr., Burnaby, B.C. V5A 1S6
Canada
T: 778.782.4237
Simon Fraser University is located on the Unceded Coast Salish Territories
of the xʷməθkʷəy̓əm (Musqueam), Səl̓ílwətaʔ/Selilwitulh (Tsleil-Waututh),
Kwikwitlem, and Skwxwú7mesh Úxwumixw (Squamish) Peoples
On Sat, Mar 21, 2020 at 11:36 AM Harding, Gene L <glhar...@purdue.edu>
wrote:
> Hi,
>
>
>
> Does anyone know how to define a piecewise linear function in LON-CAPA,
> and plot it with gnuplot? And, a related question: How do you put plots
> next to each other?
>
>
>
> I need to display a plot of voltage on one graph, with a plot of
> phase-angle-fired half-sine current right below it on a separate graph, but
> using the same horizontal axis values and scale. The multiplot command in
> gnuplot allows multiple plots next to each other, similar to MATLAB, and
> the ternary operator allows definition of piecewise linear functions, but I
> don’t know how to implement either of them from within LON-CAPA.
>
>
>
> Best regards,
>
>
>
> Gene L. Harding, PE
>
> Associate Professor of ECET
>
> Purdue University
>
> 574-520-4190
>
> https://polytechnic.purdue.edu/south-bend/
>
>
>
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