Summary

DescriptionExtrapolation example.svg	Illustration of Extrapolation. The red points are assumed known and the extrapolation problem consists of giving a meaningful value to the blue box at ${\displaystyle x=7}$.
Date	24 June 2007
Source	self-made in Gnuplot. Question mark added in Inkscape.
Author	Berland

Gnuplot source code

set terminal svg fname "Helvetica" fsize 25
set output "Extrapolation_example.svg"
set key off
set xzeroaxis
set xtics axis 1,1
set ytics nomirror 1
set border 2
set xrange [0:8]
plot "-" with points pointtype 7 pointsize 0.5, 0 with lines -1,\
 "-" with points pointtype 4 pointsize 1
0 -0.2
0.5 -0.05
1 0.1
1.5 0.35
2 0.6
2.5 0.68
3 0.7
3.5 0.55
4 0.4
4.5 0.27
5 0.15
e
7 -0.4
e

Licensing

This work has been released into the public domain by its author, I, Berland. This applies worldwide. In some countries this may not be legally possible; if so: I, Berland grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

set terminal svg fname "Helvetica" fsize 25 set output "Extrapolation_example.svg" set key off set xzeroaxis set xtics axis 1,1 set ytics nomirror 1 set border 2 set xrange [0:8] plot "-" with points pointtype 0 pointsize 0.5, 0 with lines -1,\

"-" with points pointtype 4 pointsize 1

0 2.6680 0.5 2.6975 1 2.7272 1.5 2.7568