# File lib/Matriz.rb, line 27
def traspuesta ()
   aux_m = Array.new
   @filas.times do |i|
      aux_m[i] = Array.new                      
      @cols.times do |j|
         aux_m[i][j] = @matriz[(@filas-1)-i][(@cols-1)-j]
      end
   end
   Matriz.new(aux_m).comprobar
end