Definition:Perpendicular (Linear Algebra)

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

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

Also see

 * Definition:Orthogonal (Linear Algebra)


 * Non-Zero Vectors are Orthogonal iff Perpendicular