Dynamische Schleifen

Sub Gitternetz(ByVal arr2)
Dim k, m, n, j, i
Worksheets("Alle-Anteile").Cells.Clear
Worksheets("Alle-Anteile").Activate
k = 0
If UBound(arr2) = 4 Then
For m = 0 To 1 Step 0.05
For n = 0 To 1 Step 0.05
For j = 0 To 1 Step 0.05
For i = 1 To 0 Step -0.05
If Round(i + j + n + m, 2) = 1 Then
Cells(k, 5) = Round(i + j + n + m, 2)
Cells(k, 4) = i
Cells(k, 3) = j
Cells(k, 2) = n
Cells(k, 1) = m
Cells(k, 6) = Sheets("RWE").Range("L18") * m _
+ Sheets("EON").Range("L18") * n _
+ Sheets("Commerzbank").Range("L18") * j _
+ Sheets("DeutscheBank").Range("L18") * i
Cells(k, 7).FormulaArray = _
"=MMULT((A" & k & ":D" & k & "),MMULT(Kovarianzmatrix!B2:E5, _
TRANSPOSE(A" & k & ":D" & k & ")))"
Cells(k, 8) = Cells(k, 7) ^ 0.5
k = k + 1
End If
Next i
Next j
Next n
Next m
End If
End Sub

Function schleifen(i)
If i > 0 Then
for k=0 to 1 Step 0.1
Cells(i,k)=k
schleifen = (i + schleifen(i - 1))
Else
schleifen = 0
End If
End Function