Macros for Writing LaTeX

macros.tex

\newcommand{\eg}{{e.g.}\xspace}

% ==============================================================================
%  Generic math macros
\renewcommand{\v}[1]{\boldsymbol{#1}}
\newcommand{\m}[1]{\text{\textsf#1}}

\newcommand{\pd}[2]{\ensuremath{\frac{\partial #1}{\partial #2}}} % partial
\newcommand{\dee}{\ensuremath{\mathrm{d}}}                  % d symbol
\newcommand{\diff}[2]{\ensuremath{\frac{\dee #1}{\dee #2}}} % Derivative d/dx
\newcommand{\grad}{\ensuremath{\nabla}}                     % Gradient symbol
\newcommand{\gradient}{\ensuremath{\textsf{grad}}}          % Written gradient
\newcommand{\Div}{\ensuremath{\nabla \cdot}}                % Divergence
\newcommand{\divergence}{\ensuremath{\textsf{div}}}         % Written div
\newcommand{\del}{\ensuremath{\nabla}}                      % Same as gradient
\newcommand{\delsq}{\ensuremath{\nabla^2}}                  % Laplacian
\newcommand{\lap}{\ensuremath{\delsq}}                      % Laplacian
\newcommand{\dx}{\ensuremath{\Delta x}}                     % Delta x
\newcommand{\dy}{\ensuremath{\Delta y}}                     % Delta y
\newcommand{\dt}{\ensuremath{\Delta t}}                     % Delta t
\newcommand{\scinot}[2]{\ensuremath{#1\times10^{#2}}}       % Scientific note
\newcommand{\bigO}[1]{\ensuremath{\mathcal{O}(#1)}}         % Big O notation
\newcommand{\R}{\ensuremath{\mathbb{R}}}                    % Real field
\newcommand{\Z}{\ensuremath{\mathbb{Z}}}                    % Integer field
\newcommand{\half}{\ensuremath{\frac{1}{2}}}                % 1/2 fraction

% Define theorems and definitions
% \newtheorem{theorem}{Theorem}[section]
% \newtheorem{definition}{Definition}[section]

% Markings
% \usepackage{color}
% \newcommand{\alert}[1]{\textbf{\color{red} #1}}

% \DeclareMathOperator{\erf}{erf}

% ==============================================================================
%  Finite volume method symbols
\newcommand{\wave}{\ensuremath{\mathcal{W}}\xspace}             % Wave
\newcommand{\fwave}{\ensuremath{\mathcal{Z}}\xspace}            % F-Waves
\newcommand{\cell}{\ensuremath{\mathcal{C}}\xspace}             % FV grid cell
\newcommand{\apdq}{\ensuremath{\mathcal{A}^+ \Delta Q}\xspace}      % A+dq
\newcommand{\amdq}{\ensuremath{\mathcal{A}^- \Delta Q}\xspace}      % A-dq
\newcommand{\apmdq}{\ensuremath{\mathcal{A}^{\pm} \Delta Q}\xspace} % A+-dq

% B+-A+-dq symbols
\newcommand{\BpApdq}{\ensuremath{\mathcal{B}^{+} \mathcal{A}^{+} \Delta Q}\xspace}
\newcommand{\BpAmdq}{\ensuremath{\mathcal{B}^{+} \mathcal{A}^{-} \Delta Q}\xspace}
\newcommand{\BmApdq}{\ensuremath{\mathcal{B}^{-} \mathcal{A}^{+} \Delta Q}\xspace}
\newcommand{\BmAmdq}{\ensuremath{\mathcal{B}^{-} \mathcal{A}^{-} \Delta Q}\xspace}
\newcommand{\BpmApmdq}{\ensuremath{\mathcal{B}^{\pm} \mathcal{A}^{\pm} \Delta Q}\xspace}

% ==============================================================================
%  Fluids non-dimensional parameters
\newcommand{\Rey}{\ensuremath{\text{Re}}}
\newcommand{\Fr}{\ensuremath{\text{Fr}}}
\newcommand{\Ri}{\ensuremath{\text{Ri}}}

% ==============================================================================
%  Special formatting for codes
\newcommand{\geoclaw}{{\sc GeoClaw}\xspace}
\newcommand{\clawpack}{{\sc Clawpack}\xspace}
\newcommand{\amrclaw}{{\sc AMRClaw}\xspace}
\newcommand{\pyclaw}{{\sc PyClaw}\xspace}
\newcommand{\forestclaw}{Forestclaw\xspace}
\newcommand{\pforest}{\texttt{p4est}\xspace}
\newcommand{\manyclaw}{Manyclaw\xspace}
\newcommand{\adcirc}{ADCIRC\xspace}
\newcommand{\striche}{\texttt{STRICHE}\xspace}
%\newcommand{\geostriche}{\geoclaw-\striche\xspace}
\newcommand{\geostriche}{\geoclaw-\striche}

% ==============================================================================
% Makes an abbreviated title, useful for notes and other less formal docs
\newcommand{\makesmalltitle}[3]
{
\noindent
\begin{minipage}{1.0\linewidth}
  {\LARGE \bf 
    #1}\\[-1.5mm]
  \noindent\rule{\linewidth}{1pt}\\
  #2 \hfill \hbox{#3}
  \\ %[8mm]
\end{minipage}
}