Function Classer(a, b)
a = a: b = b 'matrices
tri a, b, 1, UBound(a)
Classer = b 'matrice vecteur vertical
End Function
Sub tri(a, b, gauc, droi) ' Quick sort
Dim ref, g, d, temp
ref = a((gauc + droi) \ 2, 1)
g = gauc: d = droi
Do
Do While a(g, 1) < ref: g = g + 1: Loop
Do While ref < a(d, 1): d = d - 1: Loop
If g <= d Then
temp = a(g, 1): a(g, 1) = a(d, 1): a(d, 1) = temp
temp = b(g, 1): b(g, 1) = b(d, 1): b(d, 1) = temp
g = g + 1: d = d - 1
End If
Loop While g <= d
If g < droi Then Call tri(a, b, g, droi)
If gauc < d Then Call tri(a, b, gauc, d)
End Sub