title: matlab's phi symbol
body: <p>Not that significant, but annoying to no end. Why does matlab has no small phi (<code>\varphi</code>) symbol ? It has pretty much all other symbols LaTeX offers, but not this one. Why ?</p>
  
  <p><em>I may be wrong of course, in which case  would be delighted if someone could prove me wrong...</em></p>
  
  <p><img src="https://www.mathsisfun.com/numbers/images/phi.gif" alt="alt text"></p>