LaTeX 자주 쓰는 것들 정리
$\hat{a}, \bar{a}, \tilde{a}$
$\hat{\mathbf{a}}, \bar{\mathbf{a}}, \tilde{\mathbf{a}}$
$\mathbf{\hat{a}}, \mathbf{\bar{a}}, \mathbf{\tilde{a}}$
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$\hat{a}, \bar{a}, \tilde{a}$
$\hat{\mathbf{a}}, \bar{\mathbf{a}}, \tilde{\mathbf{a}}$
$\mathbf{\hat{a}}, \mathbf{\bar{a}}, \mathbf{\tilde{a}}$