traspuesta.vb

'Rextester.Program.Main is the entry point for your code. Don't change it.
'Compiler version 11.0.50709.17929 for Microsoft (R) .NET Framework 4.5

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text.RegularExpressions

Namespace Rextester
    Public Module Program
        Public Sub Main(args() As string)
            'Your code goes here
            Console.WriteLine("Hello, world!")
            Dim matrix = New Integer(3, 2) {{1, 2, 3}, {2, 3, 4}, {3, 4, 5}, {4, 5, 6}} 
            Dim newMatrix(2, 3) As Integer
            
            Dim i As Integer
            Dim j As Integer
            
            For i = matrix.GetLowerBound(0) To matrix.GetUpperBound(0)
                'Console.WriteLine("row {0}", i)

                For j = matrix.GetLowerBound(1) To matrix.GetUpperBound(1)
                    Console.Write(matrix.GetValue(i, j))
                    newMatrix.SetValue(matrix.GetValue(i, j), j, i)
                Next j
                
                Console.WriteLine("")
            Next i
            
            Console.WriteLine("")
            
            For i = newMatrix.GetLowerBound(0) To newMatrix.GetUpperBound(0)
                'Console.WriteLine("row {0}", i)

                For j = newMatrix.GetLowerBound(1) To newMatrix.GetUpperBound(1)
                    Console.Write(newMatrix.GetValue(i, j))
                Next j
                
                Console.WriteLine("")
            Next i
        End Sub
    End Module
End Namespace