function bubble sort three numbers

nathanfroese

New Member
Joined
Oct 20, 2008
Messages
2
i need help any example post on bubble sort function not a sub that can sort three numbers and display it in any way via the three sorting cells or in the function cell using only single array dimension. also the function should use as double for all numbers to sort.

here the sample question from our work shop:
function using a form of the bubble sort algorithm which we
explored in a previous workshop. I suggest you start with the Matlab code that you wrote
previously and consider how you can convert it into VBA. You may wish to simplify the algorithm
since you only have three numbers to sort. If you set your outer loop to cycle through each pair of​
numbers twice this will ensure that you have correctly sorted the three numbers.

plz need help asap.
 

BrianB

Well-known Member
Joined
Feb 17, 2003
Messages
8,127
This is the principle.
Code:
'======================================================================================
'- BUBBLE SORT EXAMPLE : 3 NUMBERS (ASCENDING)
'- The method is to use a "pointer" and check its current position in the array.
'- If the current number is more than the next then switch their positions in the array.
'- If a position is changed then set a marker so the pointer goes through again.
'- The sort is complete when the pointer has gone through the array without change.
'- Brian Baulsom October 2008
'=====================================================================================
 
Sub SORT_()
    Dim MyNumbers(3)
    Dim Pointer As Integer
    Dim Changed As Boolean
    Dim MyTemp
    '-------------------------------------------------------------------------------
    MyNumbers(1) = 30
    MyNumbers(2) = 20
    MyNumbers(3) = 10
    '-------------------------------------------------------------------------------
    Do
        Changed = False
        For Pointer = 1 To 3 - 1
            If MyNumbers(Pointer) > MyNumbers(Pointer + 1) Then
                MyTemp = MyNumbers(Pointer)
                MyNumbers(Pointer) = MyNumbers(Pointer + 1)
                MyNumbers(Pointer + 1) = MyTemp
                Changed = True
            End If
        Next
    Loop While Changed = True
    '---------------------------------------------------------------------------------
    MsgBox (MyNumbers(1) & vbCr & MyNumbers(2) & vbCr & MyNumbers(3) & vbCr)
End Sub
'=====================================================================================
 

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