File:Piecewise linear function gnuplot.svg
| Uploaded by | Jochen Burghardt |
|---|---|
| Upload date | 2020-09-30T12:22:08Z |
| MIME type | image/svg+xml |
| Dimensions | 802 × 603 px |
| File size | 71.4 KB |
Summary
| Description |
English: Plot of the piecewise linear function |
| Date | |
| Source | Own work |
| Author | Jochen Burghardt |
| Other versions | File:PiecewiseLinear.png * File:Piecewise linear function.svg * File:Piecewise linear function gnuplot.svg |
Gnuplot source code
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set xrange [-5:5]
set yrange [-3:3]
set xtics 1
set ytics 1
f(x) = ( x <= -3 ? -3 - x \
: -3 <= x && x <= 0 ? x + 3 \
: 0 <= x && x <= 3 ? 3 - 2*x \
: 0.5*x - 4.5 \
)
set grid
# y axis
set arrow from 0,-3 to 0,3 nohead lt 8
#x axis
plot 0 with lines lt 8 lw 1 title ""
# plot the function
#replot f(x) with lines lt 6 lw 3 title ""
# plot the function in pieces to avoid artifacts at interval boundaries
replot [x=-5:-3] f(x) with lines lt 6 lw 3 title ""
replot [x=-3: 0] f(x) with lines lt 6 lw 3 title ""
replot [x= 0: 3] f(x) with lines lt 6 lw 3 title ""
replot [x= 3: 5] f(x) with lines lt 6 lw 3 title ""
pause -1
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