For example, I have the code:
Code: Select all
\[ \underbrace{\int_0^1 J_t^2 dN_t}_\text{discontinuous component}
Thanks
Code: Select all
\[ \underbrace{\int_0^1 J_t^2 dN_t}_\text{discontinuous component}
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\documentclass{article}
\usepackage{amsmath}
\begin{document}
\[
\underbrace{\int_0^1 J_t^2 dN_t}_\text{\parbox{4cm}{\centering continuous\\[-4pt] discontinuous component}}
\]
\end{document}