DM_Custom_Commands.sty

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%%%  DM Custom Commands version 1.0  -  2017  %%%
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\ProvidesPackage{DM_Custom_Commands}

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% Styles structure
% + Text commands
% + Math commands
% + Physics commands

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% Text Commands
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\newcommand{\tableHead}{\hline}
\newcommand{\tableTopLine}{\hline}
\newcommand{\tableBottomLine}{\hline \hline}

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% Math commands
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% equation environment define entorno ecuaciones
\newcommand{\equa}[1]{\begin{equation}\displaystyle{#1} \end{equation}}

% fraction inside a root
\newcommand{\sfrac}[2]{\sqrt{\frac{#1}{#2}}}
\newcommand{\snfrac}[3]{\sqrt[#1]{\frac{#2}{#3}}}

% diferential diferencial
\newcommand{\dd}{\mathrm{d}}

% total derivate - derivada total \der{x}{y} da dx/dy
\newcommand{\der}[2]{\frac{\mathrm{d} #1 }{\mathrm{d} #2}}

% n-th total derivate - derivada n-esima \dern{x}{y}{n} da d^nx/dy^n
\newcommand{\dern}[3]{\frac{\mathrm{d}^{#3} #1 }{\mathrm{d} #2^{#3}}}

% partial derivate - derivada parcial \parder{x}{y} da \parialx/\partialy
\newcommand{\parder}[2]{\frac{\partial #1 }{\partial #2}}

% n-th partial derivate - same as parder but n-th partial derivate \parial^nx/\partialy^n
\newcommand{\pardern}[3]{\frac{\partial^{#3} #1 }{\partial #2^{#3}}}

% integral a to b \integrate{f(x,y)}{a}{b}{y} da integral de f(x,y) desde a hasta b integrando en y
\newcommand{\integrate}[4]{\int_{#2}^{#3} #1 \,\mathrm{d}#4}

% sumation \sumate{i}{n}{e} da \sum_{i}^{n}e
\newcommand{\sumate}[3]{\sum_{#1}^{#2} #3}

% get into parentheses
\newcommand{\parentesis}[1]{\left(#1\right)}

% operador <<del>> es decir, el operador gradiente vectorial
\newcommand{\del}{\vec{\nabla}}

% operador <<divergencia>> es decir, el operador gradiente vectorial
\newcommand{\divergency}{\vec{\nabla} \cdot}

% operador <<rotacional>> es decir, el operador gradiente vectorial
\newcommand{\rotational}{\vec{\nabla} \times}

% operador <<laplaciano>> es decir, el operador gradiente vectorial
\newcommand{\laplacian}{\nabla^{2} }

% position vector
\newcommand{\rr}{\vec{r}}
\newcommand{\rrtt}{\left( \vec{r},t \right)}