vector norm in a sentence

Examples

1. There are no ortho " normal " bases in a pseudo-Euclidean space for which the bilinear form is indefinite, because it cannot be used to define a vector norm.
2. The aforementioned equivalence of metric functions remains valid if } } is replaced with, where is any convex positive homogeneous function of degree 1, i . e . a vector norm ( see Minkowski distance for useful examples ).