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% \bbA, \bbB, …
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\ddefloop ABCDEFGHIJKLMNOPQRSTUVWXYZ\ddefloop
% \cA, \cB, …
\def\ddef#1{\expandafter\def\csname c#1\endcsname{\ensuremath{\mathcal{#1}}}}
\ddefloop ABCDEFGHIJKLMNOPQRSTUVWXYZ\ddefloop
% \vA, \vB, …, \va, \vb, …
\def\ddef#1{\expandafter\def\csname v#1\endcsname{\ensuremath{\boldsymbol{#1}}}}
\ddefloop ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\ddefloop
% \valpha, \vbeta, …, \vGamma, \vDelta, …,
\def\ddef#1{\expandafter\def\csname v#1\endcsname{\ensuremath{\boldsymbol{\csname #1\endcsname}}}}
\ddefloop {alpha}{beta}{gamma}{delta}{epsilon}{varepsilon}{zeta}{eta}{theta}{vartheta}{iota}{kappa}{lambda}{mu}{nu}{xi}{pi}{varpi}{rho}{varrho}{sigma}{varsigma}{tau}{upsilon}{phi}{varphi}{chi}{psi}{omega}{Gamma}{Delta}{Theta}{Lambda}{Xi}{Pi}{Sigma}{varSigma}{Upsilon}{Phi}{Psi}{Omega}{ell}\ddefloop
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\fancyhead[RE,RO]{Problem Set \#\@hwNo}
\fancyhead[LE,LO]{\@coursename}
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\fancyfoot[LE,LO]{\@studname \ – \texttt{\@studmail}}
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\title{\@coursename \\ Problem Set \#\@hwNo}
\author{%
\@studname \ – \texttt{\@studmail}
%\\
% Discussants: \texttt{\@collab}%
}
\date{\today}
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