The function computes the difference between two successive components in the iteration of the Tuckals3 algorithm.
loss2(param, comp.old)
The difference between two successive components in the iteration of the Tuckals3 algorithm.
The matrices of the row, column and tube components derived via the Tucker3 model.
The matrices of the row, column and tube components derived in the foregoing iteration of the Tuckals3 algorithm.
Rosaria Lombardo and Eric J Beh.