set terminal svg fname "Vera" fsize 25
set output "Interpolation_example_spline.svg"
set key off
set xzeroaxis
set xtics axis 1,1
set ytics nomirror 1
set samples 300
set border 2
f(x) = (x >= 0 && x < 1) ? -0.1522*x**3 + 0.9937*x : \
(x >= 1 && x < 2) ? -0.01258*x**3 - 0.4189*x**2 + 1.4126*x - 0.1396 : \
(x >= 2 && x < 3) ? 0.1403*x**3 - 1.3359*x**2 + 3.2467*x - 1.3623 : \
(x >= 3 && x < 4) ? 0.1579*x**3 - 1.4945*x**2 + 3.7225*x - 1.8381 : \
(x >= 4 && x < 5) ? 0.05375*x**3 -0.2450*x**2 - 1.2756*x + 4.8259 : \
-0.1871*x**3 + 3.3673*x**2 - 19.3370*x + 34.9282
set yrange [-1.1:1.1]
plot f(x) with lines linetype 3 linewidth 4, \
"-" with points linetype 1 pointtype 7 pointsize 0.7,\
0 with lines linetype -1 linewidth 1
0 0
1 0.8415
2 0.9093
3 0.1411
4 -0.7568
5 -0.9589
6 -0.2794
e
Please use at least version 4.2 of Gnuplot for smooth lines in SVG.
Licenciranje
Public domainPublic domainfalsefalse
Ovaj rad je objavljen u javno vlasništvo od strane autora Berland. Ovo se primjenjuje širom svijeta. U nekim državama ovo zakonski nije moguće; u tom slučaju: Berland dopušta svima pravo korištenja ovog rada u bilo koju svrhu, bez ikakvih uslova, osim ako su takvi uslovi zakonski neophodni.
Captions
Add a one-line explanation of what this file represents
{{Information |Description=Illustration of spline interpolation on a data set, compared with other interpolation methods in the article Interpolation. Based on png-version by User:Jitse Niesen and svg