tau =

   1   2   3

g =
{
  num =  1
  den =

     1   1

  sys =

     0   1   0   0

  tsam = 0
  n =  1
  nz = 0
  yd = 0
  inname =

  {
    [1,1] = u_1
  }

  outname =

  {
    [1,1] = y_1
  }

  stname =

  {
    [1,1] = x_1
  }

}

g =
{
  num =

  (,
    [1] =  1
    [2] =  1
  ,)

  den =

  (,
    [1] =

       1   1

    [2] =

       2   1

  ,)

  sys =

  (,
    [1] =

       0   1   0   0

    [2] =

       0   1   0   0

  ,)

  tsam =

  (,
    [1] = 0
    [2] = 0
  ,)

  n =

  (,
    [1] =  1
    [2] =  1
  ,)

  nz =

  (,
    [1] = 0
    [2] = 0
  ,)

  yd =

  (,
    [1] = 0
    [2] = 0
  ,)

  inname =

  (,
    [1] =

    {
      [1,1] = u_1
    }

    [2] =

    {
      [1,1] = u_1
    }

  ,)

  outname =

  (,
    [1] =

    {
      [1,1] = y_1
    }

    [2] =

    {
      [1,1] = y_1
    }

  ,)

  stname =

  (,
    [1] =

    {
      [1,1] = x_1
    }

    [2] =

    {
      [1,1] = x_1
    }

  ,)

}

g =
{
  num =

  (,
    [1] =  1
    [2] =  1
    [3] =  1
  ,)

  den =

  (,
    [1] =

       1   1

    [2] =

       2   1

    [3] =

       3   1

  ,)

  sys =

  (,
    [1] =

       0   1   0   0

    [2] =

       0   1   0   0

    [3] =

       0   1   0   0

  ,)

  tsam =

  (,
    [1] = 0
    [2] = 0
    [3] = 0
  ,)

  n =

  (,
    [1] =  1
    [2] =  1
    [3] =  1
  ,)

  nz =

  (,
    [1] = 0
    [2] = 0
    [3] = 0
  ,)

  yd =

  (,
    [1] = 0
    [2] = 0
    [3] = 0
  ,)

  inname =

  (,
    [1] =

    {
      [1,1] = u_1
    }

    [2] =

    {
      [1,1] = u_1
    }

    [3] =

    {
      [1,1] = u_1
    }

  ,)

  outname =

  (,
    [1] =

    {
      [1,1] = y_1
    }

    [2] =

    {
      [1,1] = y_1
    }

    [3] =

    {
      [1,1] = y_1
    }

  ,)

  stname =

  (,
    [1] =

    {
      [1,1] = x_1
    }

    [2] =

    {
      [1,1] = x_1
    }

    [3] =

    {
      [1,1] = x_1
    }

  ,)

}

error: mapper: wrong type argument `struct'
error: evaluating argument list element number 1
error: evaluating argument list element number 1
error: evaluating binary operator `!=' near line 41, column 31
error: evaluating binary operator `&&' near line 41, column 36
error: if: error evaluating conditional expression
error: evaluating if command near line 36, column 3
error: called from `freqchkw' in file `/Applications/Octave.app/Contents/Resources/share/octave/3.0.3/m/control/base/freqchkw.m'
error: evaluating assignment expression near line 69, column 8
error: called from `__bodquist__' in file `/Applications/Octave.app/Contents/Resources/share/octave/3.0.3/m/control/base/__bodquist__.m'
error: called from `bode' in file `/Applications/Octave.app/Contents/Resources/share/octave/3.0.3/m/control/base/bode.m'
error: near line 6 of file `/Users/george/octave/bode_test.m'