Definition:Perpendicular (Linear Algebra)

Definition
Let $\mathbf u$, $\mathbf v$ be non-zero vectors in the Euclidean space $\R^n$.


 * $\mathbf u$ and $\mathbf v$ are perpendicular the angle between them is a right angle.

Also see

 * Orthogonal
 * Non-Zero Vectors Orthogonal iff Perpendicular