<!DOCTYPE html> <html> <head> <title>Model doc</title> <script type="text/javascript" src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> </script> <script type="text/x-mathjax-config" > MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']], processEscapes: true } }); </script> </head> <body> \begin{equation} y=N_{0,1}e^{-\frac{(x-x_{0,1})^2}{2\sigma_1^2}}+N_{0,2}e^{-\frac{(x-x_{0,2})^2}{2\sigma_2^2}}\notag \end{equation} </body> </html>