Программа для обращения матриц 3-го порядка - VB

Private Sub Command1_Click()
Form1.Cls
Dim a(1 To 3, 1 To 3) As Single, ad(1 To 6, 1 To 6) As Single
Dim m(1 To 3, 1 To 3) As Single, ao(1 To 3, 1 To 3) As Single
Dim d As Single, p As Integer
Randomize
Print "исходная матрица"
For i = 1 To 3
For j = 1 To 3
 a(i, j) = Int(Rnd(1) * 5)
 ad(i, j) = a(i, j)
 ad(i + 3, j) = a(i, j)
 ad(i, j + 3) = a(i, j)
 ad(i + 3, j + 3) = a(i, j)
 Print a(i, j);
Next j
Print
Next i
Print
 
For i = 1 To 6
For j = 1 To 6
 Print ad(i, j);
Next j
Print
Next i
Print "миноры"
 
For i = 1 To 3
For j = 1 To 3
 p = 0
 If i + j = 3 Or i + j = 5 Then p = 1
 m(i, j) = (-1) ^ (i + j + p) * (ad(i + 1, j + 1) * ad(i + 2, j + 2) - ad(i + 1, j + 2) * ad(i + 2, j + 1))
Print m(i, j);
Next j
Print
Next i
Print "детерминанат"
 
d = a(1, 1) * a(2, 2) * a(3, 3) + a(1, 3) * a(2, 1) * a(3, 2) + a(3, 1) * a(1, 2) * a(2, 3)
d = d - a(3, 1) * a(2, 2) * a(1, 3) - a(1, 1) * a(3, 2) * a(2, 3) - a(3, 3) * a(2, 1) * a(1, 2)
Print d
Print "обращенная матрица"
If d = 0 Then MsgBox "ранг меньше трех": Exit Sub
 
For i = 1 To 3
For j = 1 To 3
 ao(i, j) = m(j, i) / d
 Print ao(i, j);
Next j
 Print
Next i
 
End Sub