Fig. 1From: Using tensor contractions to derive the structure of slice-wise multiplications of tensors with applications to space–time Khatri–Rao coding for MIMO-OFDM systemsA slice-wise multiplication between two tensors \({\varvec{{{\mathcal {A}}}}} \in {\mathbb {C}}^{M \times N \times K}\) and \({\varvec{{{\mathcal {B}}}}} \in {\mathbb {C}}^{N \times J \times K}\)Back to article page