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TransposeMatrix – Evaluate the transposed matrix

TransposeMatrix – Evaluate the transposed matrix

' Evaluate the transposed matrix' A transposed matrix is the array you get when you "rotate" a bi-dimensional ' array'' Example'   Dim arr(,) As Double = {{0.0, 0.1, 0.2}, {1.0, 1.1, 1.2}}'   Dim i, j As Integer'   ' print the original matrix'   Debug.WriteLine("Original matrix")'   For i = 0 To arr.GetUpperBound(0)'       For j = 0 To arr.GetUpperBound(1)'           Debug.Write(arr(i, j) & " - ")'       Next'       Debug.WriteLine("")'   Next'   ' transpose the matrix and print it'   Dim arr2(,) As Double = TransposeMatrix(arr)'   Debug.WriteLine("Transposed matrix")'   For i = 0 To arr2.GetUpperBound(0)'       For j = 0 To arr2.GetUpperBound(1)'           Debug.Write(arr2(i, j) & " - ")'       Next'       Debug.WriteLine("")'   NextFunction TransposeMatrix(ByVal arr(,) As Double) As Double(,)    Dim startRow As Integer, startCol As Integer    Dim endRow As Integer, endCol As Integer    Dim row As Integer, col As Integer    ' get size of original matrix    startRow = arr.GetLowerBound(0)    endRow = arr.GetUpperBound(0)    startCol = arr.GetLowerBound(1)    endCol = arr.GetUpperBound(1)    ' prepare the result matrix    Dim res(endCol, endRow) As Double    ' transpose the matrix    For row = startRow To endRow        For col = startCol To endCol            res(col, row) = arr.GetValue(row, col)        Next    Next    ' return the transposed result    Return resEnd Function

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