Puoi aprire il codice e modificare la funzione: vedi l'Help
You can open the Code and modify the function: see the Help
HELP

function f(x) { y =  2.78e-05 * x*x*x + -0.00221 * x*x + 0.0828 * x; return y }

aX = 0; bX = 50; aY = 0; bY = 2
Dx = 5; Dy = 0.1

xx=[10,20,30,40,50]; yy=[0.5,1,1.5,2]

AX=AY=""
BX="litri"; BY="km"

T0=["0",0,-0.1]; T1=["10",10,-0.1]; T2=["20",20,-0.1]; T3=["30",30,-0.1]; T4=["40",40,-0.1]; T5=["50",50,-0.1]
T6=["0",-1.5,0]; T7=["1",-1.5,1]; T8=["2",-1.5,2]