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

The multiflash photograph of a ball thrown in the air.
The distances (in cm) of the ball from the left and margins of the photo
quadratic regression:  y = -0.726*x*x + 7.61*x - 7.20
function f(x) { y =  -0.726*x*x + 7.61*x - 7.20; return y }

aX = 0; bX = 10; aY = 0; bY = 13
Dx = 1; Dy = 1

xx=[5,10]; yy=[5,10]
Q1x=[1.2,1.5,1.8,2.2,2.5,2.8,3.1, 3.4, 3.7, 4.1, 4.4, 4.7, 5.0, 5.3, 5.6, 6.0, 6.3, 6.6, 6.9,7.2,7.6,7.9,8.2,8.5,8.8,9.1]
Q1y=[0.8,2.6,4.1,6.0,7.3,8.4,9.4,10.3,11.0,11.8,12.2,12.5,12.7,12.7,12.6,12.3,11.9,11.4,10.7,9.9,8.7,7.6,6.4,5.0,3.5,1.9]

AX=BX=AY=BY=""

AAX=aX; BBX=bX; AAY=aY; BBY=bY