title: How to concatenate a number to a variable name in MATLAB?
body: <p>I have a variable <code>a = 1</code>. I want to generate a variable name of the form:</p>
  
  <pre><code>variableNumber  
  </code></pre>
  
  <p>So in this example, I would want </p>
  
  <pre><code>a1
  a2
  a3
  </code></pre>
  
  <p>as variables. How can I do that?</p>