Orthogonal matrix: Difference between revisions

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Orthogonal unit vectors are not necessarily orthonormal.
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{{for|matrices with orthogonality over the [[complex number]] field|unitary matrix}}
In [[linear algebra]], an '''orthogonal matrix''' is a real [[square matrix]] whose columns and rows are [[orthogonal]] [[unit vector]]s ([[Orthonormality|orthonormal]] [[Vector (mathematics and physics)|vectors]]).
 
One way to express this is