% Math

\newcommand{\diff}{{\rm d}}
\newcommand{\ee}{{\rm e}}

% Radiation

\newcommand{\Itot}{I}
\newcommand{\Iin}{I_{\rm in}}
\newcommand{\Iex}{I_{\rm ex}}
\newcommand{\Isc}{I_{\rm sc}}

\newcommand{\tauv}{\tau_{z}}

\newcommand{\vFtot}{\mathbf{F}}
\newcommand{\Ftotx}{F_{x}}
\newcommand{\Ftoty}{F_{y}}
\newcommand{\Ftotz}{F_{z}}

\newcommand{\Fex}{F_{\rm ex}}
\newcommand{\Fin}{F_{\rm in}}
\newcommand{\Fsc}{F_{\rm sc}}

\newcommand{\thetaex}{\vartheta_{\rm ex}}
\newcommand{\muex}{\mu_{\rm ex}}

\newcommand{\vgrad}{\mathbf{g}_{\rm rad}}

\newcommand{\gradx}{g_{{\rm rad},x}}
\newcommand{\gradz}{g_{{\rm rad},z}}

% Flows

\newcommand{\vOmega}{{\bf \Omega}}
\newcommand{\muOmega}{\mu_{\Omega}}

\newcommand{\vvel}{\mathbf{v}}

\newcommand{\vgeff}{\mathbf{g}_{\rm eff}}
\newcommand{\vgdrag}{\mathbf{g}_{\rm drag}}

\newcommand{\vvmean}{\bar{\mathbf{v}}}
\newcommand{\vmeantheta}{\bar{v}_{\theta}}
\newcommand{\vmeanphi}{\bar{v}_{\phi}}

\newcommand{\gradmeantheta}{\bar{g}_{{\rm rad},\theta}}
\newcommand{\gradmeanphi}{\bar{g}_{{\rm rad},\phi}}

\newcommand{\gdragmeantheta}{\bar{g}_{{\rm drag},\theta}}
\newcommand{\gdragmeanphi}{\bar{g}_{{\rm drag},\phi}}

\newcommand{\vFex}{\mathbf{F}_{\rm ex}}
\newcommand{\Fexr}{F_{{\rm ex},r}}
\newcommand{\Fextheta}{F_{{\rm ex},\theta}}
\newcommand{\Fexphi}{F_{{\rm ex},\phi}}

\newcommand{\atten}{\mathcal{A}}

\newcommand{\corpar}{\beta}

\newcommand{\tbrake}{t_{\rm b}}
\newcommand{\lbrake}{\ell_{\rm b}}

\newcommand{\venorm}{\mathbf{e}_{{\rm n}}}

\newcommand{\roche}{\Phi_{\rm e}}

\newcommand{\fdirec}{\varpi}

\newcommand{\vInertia}{\mathbf{i}}

% Stellar properties

\newcommand{\Teff}{T_{\rm eff}}
\newcommand{\geff}{g_{\rm eff}}

\newcommand{\Lstar}{L}
\newcommand{\Rstar}{R}
\newcommand{\Rpole}{R_{\rm p}}
\newcommand{\Mstar}{M}
\newcommand{\Mstarpri}{M_{\rm pri}}
\newcommand{\Mstarsec}{M_{\rm sec}}
\newcommand{\Tstar}{\overline{T}}
%% \newcommand{\Tstarpri}{\ensuremath{T_{\ast}^{\rm p}}}
%% \newcommand{\Tstarsec}{\ensuremath{T_{\ast}^{\rm s}}}
\newcommand{\period}{P}

%% \newcommand{\veobs}{\ensuremath{\mathbf{e}_{\rm obs}}}

%\newcommand{\vVtot}{\ensuremath{\mathbf{V}}}
%\newcommand{\Vproj}{\ensuremath{V_{\rm p}}}
%\newcommand{\inc}{\ensuremath{i}}

%% % Mesh stuff

\newcommand{\vFexkpi}{\mathbf{F}^{k+1}_{{\rm ex},i}}
\newcommand{\vFexkj}{\mathbf{F}^{k}_{{\rm ex},j}}

\newcommand{\Ikj}{I^{k}_{j}}

\newcommand{\vri}{\mathbf{r}_{i}}
\newcommand{\vrj}{\mathbf{r}_{j}}

\newcommand{\venormi}{\mathbf{e}_{{\rm n},i}}
\newcommand{\venormj}{\mathbf{e}_{{\rm n},j}}

\newcommand{\veij}{\mathbf{e}_{ij}}
\newcommand{\dij}{d_{ij}}
\newcommand{\muij}{\mu_{ij}}
\newcommand{\Domegaij}{\Delta \omega_{ij}}
\newcommand{\Finj}{F_{{\rm in},j}}

\newcommand{\geffj}{g_{{\rm eff},j}}
\newcommand{\geffjp}{g_{{\rm eff},j'}}
\newcommand{\dareaj}{\diff A_{j}}
\newcommand{\dareajp}{\diff A_{j'}}

\newcommand{\recon}{\mathcal{R}}

\newcommand{\phase}{\phi}

% Glados

\newcommand{\lcell}{\Delta}
\newcommand{\ncell}{N_{\lcell}}

\newcommand{\dA}{{\rm d}A}
\newcommand{\dApix}{\dA_{\rm p}}

%% \newcommand{\Nx}{\ensuremath{N_{\rm x}}}
%% \newcommand{\Ny}{\ensuremath{N_{\rm y}}}

%% \newcommand{\Teff}{\ensuremath{T_{\rm e}}}
%% \newcommand{\geff}{\ensuremath{g_{\rm e}}}
%% \newcommand{\vVtot}{\ensuremath{\mathbf{V}}}
%% \newcommand{\Vproj}{\ensuremath{V_{\rm p}}}
%% \newcommand{\inc}{\ensuremath{i}}

% Units

\newcommand{\kms}{{\rm km\,s^{-1}}}
\newcommand{\kelv}{{\rm K}}
\newcommand{\dy}{{\rm d}}

\newcommand{\Rsun}{\ensuremath{{\rm R}_{\odot}}}
\newcommand{\Msun}{\ensuremath{{\rm M}_{\odot}}}
\newcommand{\Lsun}{\ensuremath{{\rm L}_{\odot}}}

% Codes

\newcommand{\glados}{\textsc{glados}}
\newcommand{\synspec}{\textsc{synspec}}

% General abbreviations

\newcommand{\ith}{$i$'th}
\newcommand{\jth}{$j$'th}
\newcommand{\kth}{$k$'th}

\newcommand{\heone}{He\textsc{i}}
\newcommand{\hetwo}{He\textsc{ii}}
