title: How to smoothen a plot in MATLAB?
body: <p>I have some 9000 points that are plotted on a graph:</p>
  
  <p>[<a href="https://imgur.com/WTdmJ.jpg" rel="noreferrer">Full resolution</a>]</p>
  
  <p><img src="https://imgur.com/WTdmJ.jpg" alt="alt text"></p>
  
  <p>Actually, the plot is not as smooth as I wanted it to be. <strong>Is there some way I can smoothen the graph to a required degree?</strong></p>
  
  <p>Or some form of thresholding so that I can selectively smoothen out the parts that is too bumpy?</p>
  
  <p>I am not sure but can <a href="http://www.mathworks.com/access/helpdesk/help/techdoc/index.html?/access/helpdesk/help/techdoc/ref/fft.html" rel="noreferrer">fast-fourier-transform</a> help?</p>