sknano.core.atoms.POAVR.reciprocal_v3

POAVR.reciprocal_v3

Reciprocal Vector $\mathbf{v}_3^{*}$.

Defined as:

$$\mathbf{v}_3^{*} = \frac{\mathbf{v}_1\times\mathbf{v}_2} {|\mathbf{v}_1\cdot(\mathbf{v}_2\times\mathbf{v}_3)|}$$