title: how to resize x and y axis
body: <p>How can I resize x and y axis ?</p>
  
  <p>What I want, n more specific;</p>
  
  <pre><code>3900  |
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    60  |
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    30  |
        |_____________________________
        0  60  120  180  ...        3600  
  </code></pre>
  
  <p>What I have done ;</p>
  
  <pre><code>  a = [0:0.1:10000];
    plot(a);
  </code></pre>
  
  <p>What should I write so that resizing x and y axis is done as expected?</p>
  
  <p>EDIT:</p>
  
  <p>I do not want;</p>
  
  <pre><code>      |
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  3900  |
    .   |
    .   |
    .   |
    60  |
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    30  |
        |___________________________________________________________________
        0  60  120  180  ...        3600  
  </code></pre>