a := 4
a.minimum := 0
a.maximum := 5
b := 1
b.minimum := -2
b.maximum := 2
c := 1
c.minimum := -2
c.maximum := 2
d := 1
d.minimum := -2
d.maximum := 2
graph3d.box := true
graph3d.mesh := true
graph3d.view := top
graph3d.perspective := false
graph3d.resolution := 100
graph3d.color := byheight
graph3d.background := white
graph3d.minimumx := 0
graph3d.maximumx := 1
graph3d.minimumy := -1
graph3d.maximumy := 1
graph3d.minimumz := 0
graph3d.maximumz :=0.01
; The command to generate the graph
; must be the last line in the file.
; y=a^3*x*(1-x)*(1-a*x*(1-x))*(1-a^2*x*(1-x)*(1-a*x*(1-x))),
graph3d( (
y=(-4.0)^3*x*(1-x)*(1-(-4.0)*x*(1-x))*(1-(-4.0)^2*x*(1-x)*(1-(-4.0)*x*(1-x))),
y=(-3.9)^3*x*(1-x)*(1-(-3.9)*x*(1-x))*(1-(-3.9)^2*x*(1-x)*(1-(-3.9)*x*(1-x))),
y=(-3.8)^3*x*(1-x)*(1-(-3.8)*x*(1-x))*(1-(-3.8)^2*x*(1-x)*(1-(-3.8)*x*(1-x))),
y=(-3.7)^3*x*(1-x)*(1-(-3.7)*x*(1-x))*(1-(-3.7)^2*x*(1-x)*(1-(-3.7)*x*(1-x))),
y=(-3.6)^3*x*(1-x)*(1-(-3.6)*x*(1-x))*(1-(-3.6)^2*x*(1-x)*(1-(-3.6)*x*(1-x))),
y=(-3.5)^3*x*(1-x)*(1-(-3.5)*x*(1-x))*(1-(-3.5)^2*x*(1-x)*(1-(-3.5)*x*(1-x))),
y=(-3.4)^3*x*(1-x)*(1-(-3.4)*x*(1-x))*(1-(-3.4)^2*x*(1-x)*(1-(-3.4)*x*(1-x))),
y=(-3.3)^3*x*(1-x)*(1-(-3.3)*x*(1-x))*(1-(-3.3)^2*x*(1-x)*(1-(-3.3)*x*(1-x))),
y=(-3.2)^3*x*(1-x)*(1-(-3.2)*x*(1-x))*(1-(-3.2)^2*x*(1-x)*(1-(-3.2)*x*(1-x))),
y=(-3.1)^3*x*(1-x)*(1-(-3.1)*x*(1-x))*(1-(-3.1)^2*x*(1-x)*(1-(-3.1)*x*(1-x))),
y=(-3.0)^3*x*(1-x)*(1-(-3.0)*x*(1-x))*(1-(-3.0)^2*x*(1-x)*(1-(-3.0)*x*(1-x))),
y=(-2.9)^3*x*(1-x)*(1-(-2.9)*x*(1-x))*(1-(-2.9)^2*x*(1-x)*(1-(-2.9)*x*(1-x))),
y=(-2.8)^3*x*(1-x)*(1-(-2.8)*x*(1-x))*(1-(-2.8)^2*x*(1-x)*(1-(-2.8)*x*(1-x))),
y=(-2.7)^3*x*(1-x)*(1-(-2.7)*x*(1-x))*(1-(-2.7)^2*x*(1-x)*(1-(-2.7)*x*(1-x))),
y=(-2.6)^3*x*(1-x)*(1-(-2.6)*x*(1-x))*(1-(-2.6)^2*x*(1-x)*(1-(-2.6)*x*(1-x))),
y=(-2.5)^3*x*(1-x)*(1-(-2.5)*x*(1-x))*(1-(-2.5)^2*x*(1-x)*(1-(-2.5)*x*(1-x))),
y=(-2.4)^3*x*(1-x)*(1-(-2.4)*x*(1-x))*(1-(-2.4)^2*x*(1-x)*(1-(-2.4)*x*(1-x))),
y=(-2.3)^3*x*(1-x)*(1-(-2.3)*x*(1-x))*(1-(-2.3)^2*x*(1-x)*(1-(-2.3)*x*(1-x))),
y=(-2.2)^3*x*(1-x)*(1-(-2.2)*x*(1-x))*(1-(-2.2)^2*x*(1-x)*(1-(-2.2)*x*(1-x))),
y=(-2.1)^3*x*(1-x)*(1-(-2.1)*x*(1-x))*(1-(-2.1)^2*x*(1-x)*(1-(-2.1)*x*(1-x))),
y=(-2.0)^3*x*(1-x)*(1-(-2.0)*x*(1-x))*(1-(-2.0)^2*x*(1-x)*(1-(-2.0)*x*(1-x))),
y=(-1.9)^3*x*(1-x)*(1-(-1.9)*x*(1-x))*(1-(-1.9)^2*x*(1-x)*(1-(-1.9)*x*(1-x))),
y=(-1.8)^3*x*(1-x)*(1-(-1.8)*x*(1-x))*(1-(-1.8)^2*x*(1-x)*(1-(-1.8)*x*(1-x))),
y=(-1.7)^3*x*(1-x)*(1-(-1.7)*x*(1-x))*(1-(-1.7)^2*x*(1-x)*(1-(-1.7)*x*(1-x))),
y=(-1.6)^3*x*(1-x)*(1-(-1.6)*x*(1-x))*(1-(-1.6)^2*x*(1-x)*(1-(-1.6)*x*(1-x))),
y=(-1.5)^3*x*(1-x)*(1-(-1.5)*x*(1-x))*(1-(-1.5)^2*x*(1-x)*(1-(-1.5)*x*(1-x))),
y=(-1.4)^3*x*(1-x)*(1-(-1.4)*x*(1-x))*(1-(-1.4)^2*x*(1-x)*(1-(-1.4)*x*(1-x))),
y=(-1.3)^3*x*(1-x)*(1-(-1.3)*x*(1-x))*(1-(-1.3)^2*x*(1-x)*(1-(-1.3)*x*(1-x))),
y=(-1.2)^3*x*(1-x)*(1-(-1.2)*x*(1-x))*(1-(-1.2)^2*x*(1-x)*(1-(-1.2)*x*(1-x))),
y=(-1.1)^3*x*(1-x)*(1-(-1.1)*x*(1-x))*(1-(-1.1)^2*x*(1-x)*(1-(-1.1)*x*(1-x))),
y=(-1.0)^3*x*(1-x)*(1-(-1.0)*x*(1-x))*(1-(-1.0)^2*x*(1-x)*(1-(-1.0)*x*(1-x))),
y=(-0.9)^3*x*(1-x)*(1-(-0.9)*x*(1-x))*(1-(-0.9)^2*x*(1-x)*(1-(-0.9)*x*(1-x))),
y=(-0.8)^3*x*(1-x)*(1-(-0.8)*x*(1-x))*(1-(-0.8)^2*x*(1-x)*(1-(-0.8)*x*(1-x))),
y=(-0.7)^3*x*(1-x)*(1-(-0.7)*x*(1-x))*(1-(-0.7)^2*x*(1-x)*(1-(-0.7)*x*(1-x))),
y=(-0.6)^3*x*(1-x)*(1-(-0.6)*x*(1-x))*(1-(-0.6)^2*x*(1-x)*(1-(-0.6)*x*(1-x))),
y=(-0.5)^3*x*(1-x)*(1-(-0.5)*x*(1-x))*(1-(-0.5)^2*x*(1-x)*(1-(-0.5)*x*(1-x))),
y=(-0.4)^3*x*(1-x)*(1-(-0.4)*x*(1-x))*(1-(-0.4)^2*x*(1-x)*(1-(-0.4)*x*(1-x))),
y=(-0.3)^3*x*(1-x)*(1-(-0.3)*x*(1-x))*(1-(-0.3)^2*x*(1-x)*(1-(-0.3)*x*(1-x))),
y=(-0.2)^3*x*(1-x)*(1-(-0.2)*x*(1-x))*(1-(-0.2)^2*x*(1-x)*(1-(-0.2)*x*(1-x))),
y=(-0.1)^3*x*(1-x)*(1-(-0.1)*x*(1-x))*(1-(-0.1)^2*x*(1-x)*(1-(-0.1)*x*(1-x))),
y=(+0.0)^3*x*(1-x)*(1-(+0.0)*x*(1-x))*(1-(+0.0)^2*x*(1-x)*(1-(+0.0)*x*(1-x))),
y=(+0.1)^3*x*(1-x)*(1-(+0.1)*x*(1-x))*(1-(+0.1)^2*x*(1-x)*(1-(+0.1)*x*(1-x))),
y=(+0.2)^3*x*(1-x)*(1-(+0.2)*x*(1-x))*(1-(+0.2)^2*x*(1-x)*(1-(+0.2)*x*(1-x))),
y=(+0.3)^3*x*(1-x)*(1-(+0.3)*x*(1-x))*(1-(+0.3)^2*x*(1-x)*(1-(+0.3)*x*(1-x))),
y=(+0.4)^3*x*(1-x)*(1-(+0.4)*x*(1-x))*(1-(+0.4)^2*x*(1-x)*(1-(+0.4)*x*(1-x))),
y=(+0.5)^3*x*(1-x)*(1-(+0.5)*x*(1-x))*(1-(+0.5)^2*x*(1-x)*(1-(+0.5)*x*(1-x))),
y=(+0.6)^3*x*(1-x)*(1-(+0.6)*x*(1-x))*(1-(+0.6)^2*x*(1-x)*(1-(+0.6)*x*(1-x))),
y=(+0.7)^3*x*(1-x)*(1-(+0.7)*x*(1-x))*(1-(+0.7)^2*x*(1-x)*(1-(+0.7)*x*(1-x))),
y=(+0.8)^3*x*(1-x)*(1-(+0.8)*x*(1-x))*(1-(+0.8)^2*x*(1-x)*(1-(+0.8)*x*(1-x))),
y=(+0.9)^3*x*(1-x)*(1-(+0.9)*x*(1-x))*(1-(+0.9)^2*x*(1-x)*(1-(+0.9)*x*(1-x))),
y=(+1.0)^3*x*(1-x)*(1-(+1.0)*x*(1-x))*(1-(+1.0)^2*x*(1-x)*(1-(+1.0)*x*(1-x))),
y=(+1.1)^3*x*(1-x)*(1-(+1.1)*x*(1-x))*(1-(+1.1)^2*x*(1-x)*(1-(+1.1)*x*(1-x))),
y=(+1.2)^3*x*(1-x)*(1-(+1.2)*x*(1-x))*(1-(+1.2)^2*x*(1-x)*(1-(+1.2)*x*(1-x))),
y=(+1.3)^3*x*(1-x)*(1-(+1.3)*x*(1-x))*(1-(+1.3)^2*x*(1-x)*(1-(+1.3)*x*(1-x))),
y=(+1.4)^3*x*(1-x)*(1-(+1.4)*x*(1-x))*(1-(+1.4)^2*x*(1-x)*(1-(+1.4)*x*(1-x))),
y=(+1.5)^3*x*(1-x)*(1-(+1.5)*x*(1-x))*(1-(+1.5)^2*x*(1-x)*(1-(+1.5)*x*(1-x))),
y=(+1.6)^3*x*(1-x)*(1-(+1.6)*x*(1-x))*(1-(+1.6)^2*x*(1-x)*(1-(+1.6)*x*(1-x))),
y=(+1.7)^3*x*(1-x)*(1-(+1.7)*x*(1-x))*(1-(+1.7)^2*x*(1-x)*(1-(+1.7)*x*(1-x))),
y=(+1.8)^3*x*(1-x)*(1-(+1.8)*x*(1-x))*(1-(+1.8)^2*x*(1-x)*(1-(+1.8)*x*(1-x))),
y=(+1.9)^3*x*(1-x)*(1-(+1.9)*x*(1-x))*(1-(+1.9)^2*x*(1-x)*(1-(+1.9)*x*(1-x))),
y=(+2.0)^3*x*(1-x)*(1-(+2.0)*x*(1-x))*(1-(+2.0)^2*x*(1-x)*(1-(+2.0)*x*(1-x))),
y=(+2.1)^3*x*(1-x)*(1-(+2.1)*x*(1-x))*(1-(+2.1)^2*x*(1-x)*(1-(+2.1)*x*(1-x))),
y=(+2.2)^3*x*(1-x)*(1-(+2.2)*x*(1-x))*(1-(+2.2)^2*x*(1-x)*(1-(+2.2)*x*(1-x))),
y=(+2.3)^3*x*(1-x)*(1-(+2.3)*x*(1-x))*(1-(+2.3)^2*x*(1-x)*(1-(+2.3)*x*(1-x))),
y=(+2.4)^3*x*(1-x)*(1-(+2.4)*x*(1-x))*(1-(+2.4)^2*x*(1-x)*(1-(+2.4)*x*(1-x))),
y=(+2.5)^3*x*(1-x)*(1-(+2.5)*x*(1-x))*(1-(+2.5)^2*x*(1-x)*(1-(+2.5)*x*(1-x))),
y=(+2.6)^3*x*(1-x)*(1-(+2.6)*x*(1-x))*(1-(+2.6)^2*x*(1-x)*(1-(+2.6)*x*(1-x))),
y=(+2.7)^3*x*(1-x)*(1-(+2.7)*x*(1-x))*(1-(+2.7)^2*x*(1-x)*(1-(+2.7)*x*(1-x))),
y=(+2.8)^3*x*(1-x)*(1-(+2.8)*x*(1-x))*(1-(+2.8)^2*x*(1-x)*(1-(+2.8)*x*(1-x))),
y=(+2.9)^3*x*(1-x)*(1-(+2.9)*x*(1-x))*(1-(+2.9)^2*x*(1-x)*(1-(+2.9)*x*(1-x))),
y=(+3.0)^3*x*(1-x)*(1-(+3.0)*x*(1-x))*(1-(+3.0)^2*x*(1-x)*(1-(+3.0)*x*(1-x))),
y=(+3.1)^3*x*(1-x)*(1-(+3.1)*x*(1-x))*(1-(+3.1)^2*x*(1-x)*(1-(+3.1)*x*(1-x))),
y=(+3.2)^3*x*(1-x)*(1-(+3.2)*x*(1-x))*(1-(+3.2)^2*x*(1-x)*(1-(+3.2)*x*(1-x))),
y=(+3.3)^3*x*(1-x)*(1-(+3.3)*x*(1-x))*(1-(+3.3)^2*x*(1-x)*(1-(+3.3)*x*(1-x))),
y=(+3.4)^3*x*(1-x)*(1-(+3.4)*x*(1-x))*(1-(+3.4)^2*x*(1-x)*(1-(+3.4)*x*(1-x))),
y=(+3.5)^3*x*(1-x)*(1-(+3.5)*x*(1-x))*(1-(+3.5)^2*x*(1-x)*(1-(+3.5)*x*(1-x))),
y=(+3.6)^3*x*(1-x)*(1-(+3.6)*x*(1-x))*(1-(+3.6)^2*x*(1-x)*(1-(+3.6)*x*(1-x))),
y=(+3.7)^3*x*(1-x)*(1-(+3.7)*x*(1-x))*(1-(+3.7)^2*x*(1-x)*(1-(+3.7)*x*(1-x))),
y=(+3.8)^3*x*(1-x)*(1-(+3.8)*x*(1-x))*(1-(+3.8)^2*x*(1-x)*(1-(+3.8)*x*(1-x))),
y=(+3.9)^3*x*(1-x)*(1-(+3.9)*x*(1-x))*(1-(+3.9)^2*x*(1-x)*(1-(+3.9)*x*(1-x))),
y=(+4.0)^3*x*(1-x)*(1-(+4.0)*x*(1-x))*(1-(+4.0)^2*x*(1-x)*(1-(+4.0)*x*(1-x)))
) )