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Geometric object with magnitude (length) and direction.
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Is it possible to solve cross products using Einstein notation?
I'm considering a case where I have an equation of the form $\mathbf{x}\times\mathbf{b}+\mathbf{c}=0$; I wish to solve for $\mathbf{x}$ given that $\mathbf{b}\perp \mathbf{c}$. It was in the context o …