Figure 18.

Tucker3 model Tucker3 model of a three-way array
    X
with (P,Q,R) components at each mode. The tensor is decomposed into component matrices A, B, C, core array G, and residual array
    E
.

Ozcaglar et al. BMC Genomics 2011 12(Suppl 2):S1   doi:10.1186/1471-2164-12-S2-S1