title: stem: inconsistent size of x and y
body: <p>I have just started with Octave this month and I'm starting to have some problems a I do not understand. I keep getting this error stem: <code>inconsistent size of x and y</code>
  and I don't know why.</p>
  
  <pre><code>octave:17&gt; sig2=([100:2:120])
  sig2 =
  
     100   102   104   106   108   110   112   114   116   118   120
  
  octave:18&gt; stem([10033:10053],sig2,'*')
  
  error: stem: inconsistent size of x and y
  error: called from:
  error:   /usr/share/octave/3.6.2/m/plot/private/__stem__.m at line 413, column 11
  error:   /usr/share/octave/3.6.2/m/plot/private/__stem__.m at line 37, column 50
  error:   /usr/share/octave/3.6.2/m/plot/stem.m at line 81, column 7
  </code></pre>