Hypermatrix

A generalization of the Matrix to an $n_1\times n_2\times\cdots$ array of numbers.

See also Hyperdeterminant

References

Gel'fand, I. M.; Kapranov, M. M.; and Zelevinsky, A. V. ``Hyperdeterminants.'' Adv. Math. 96, 226-263, 1992.