| \usepackage{physics} % For the \laplacian command |
| |
| \setlength{\parskip}{1em} |
| |
| % Plantilles del notate |
| \def\myupbracefill#1{\rotatebox{90}{\stretchto{\{}{#1}}} |
| \def\rlwd{.5pt} |
| \newcommand\notate[4][B]{% |
| \if B#1\else\def\myupbracefill##1{}\fi% |
| \def\useanchorwidth{T}% |
| \setbox0=\hbox{$\displaystyle#2$}% |
| \def\stackalignment{c}\stackunder[-6pt]{% |
| \def\stackalignment{c}\stackunder[-1.5pt]{% |
| \stackunder[2pt]{\strut $\displaystyle#2$}{\myupbracefill{\wd0}}}{% |
| \rule{\rlwd}{#3\baselineskip}}}{% |
| \strut\kern9pt$\rightarrow$\smash{\rlap{$~#4$}}}% |
| } |
| |
| % Tensor commands: |
| \newcommand*{\TT}[1]{\bar{\bar{#1}}} |