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Recently Referred Formulae

U\vec{x}=\vec{y}
A=LU
A\vec{x}=\vec{b}
= [a^\star] \vec{b}
= \begin{bmatrix} 0 & -a_z & a_y \\ a_z & 0 & -a_x \\ -a_y & a_x & 0 \end{bmatrix} \begin{pmatrix} b_x \\ b_y \\ b_z \end{pmatrix}