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The discriminant criterion is defined as \[\eta = \frac{\sigma_{B}^2}{\sigma_{W}^2}\] where \(\sigma_{B}^2\) and \(\sigma_{W}^2\) are the between class variance and the within class variance respectively.

The vector notation is also possible as \(\bm{x}\).

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Citing other papers is easy. Voilà: (CMS/CERN 2012) or (Holstein 2009). Click on the aureplacedverbatimaa button in the toolbar to search articles and cite them. Authorea also comes with a powerful commenting system. Don’t agree that \(E = mc^{3}\)?!? Highlight the text you want to discuss or click the comment button. Find out more about using Authorea on our help page.


  1. CMS/CERN. A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider. Science 338, 1569-1575 (2012). Link

  2. Barry R Holstein. The mysterious disappearance of Ettore Majorana. J. Phys.: Conf. Ser. 173, 012019 IOP Publishing, 2009. Link

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