matrixZ2: Binary indictor matrix for matrixW2
Description
The binary matrix indicating whether each entry of
loading matrixW2 is non-zero. For example, matrixZ2[g,k]=1 indicates
that matrixW2[g,k] is non-zero, and vice versa. Dim(matrixZ2)=G2*K.format
The format is:
num [1:30, 1:10] 0 0 0 1 1 0 0 0 0 0 ...