title: how to convert a variable to string in matlab?
body: <p>I have structure array</p>
  
  <pre><code>some_struct_var=struct( 'filed1', filed1, 'filed2', filed2 ,...)
  </code></pre>
  
  <p>I want to create a string  </p>
  
  <pre><code>   str=['The struct variable name is :' , some_struct_var]
  </code></pre>
  
  <p>with the name of the structure variable in it. The some_struct_var may vary and is not fixed.</p>