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22 lines
542 B
22 lines
542 B
% custom commands go here %
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\newcommand{\N}{\mathbb{N}}
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\newcommand{\R}{\mathbb{R}}
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\newcommand{\Z}{\mathbb{Z}}
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\newcommand{\K}{\mathbb{K}}
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\newcommand{\Q}{\mathbb{Q}}
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\newcommand{\Rq}{\R^2}
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\newcommand{\Qq}{\Q^2}
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\newcommand{\lrarr}{\Leftrightarrow}
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\newcommand{\linf}{\lim\limits_{n \rightarrow{} \infty}}
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%running fraction with slash - requires math mode.
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\newcommand*\rfrac[2]{{}^{#1}\!/_{#2}}
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% Vector
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\newcommand*\colvec[3][]{
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\begin{pmatrix}\ifx\relax#1\relax\else#1\\\fi#2\\#3\end{pmatrix}
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}
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\newcommand{\xyvec}{\colvec{x}{y}}
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