The usual type of vector, which can be viewed as a contravariant tensor ("ket") of tensor rank 1. Contravariant vectors are dual to one-forms ("bras," a.k.a. covariant vectors).

# Contravariant Vector

## See also

Bra, Covariant Vector, Contravariant Tensor, Ket, One-Form, Vector## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Contravariant Vector."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/ContravariantVector.html