From: A Fast Multi-tasking Solution: NMF-Theoretic Co-clustering for Gear Fault Diagnosis under Variable Working Conditions
Symbol
Descriptions
Range
\(N\)
The feature-dimension in STFT
\(N \le 80\)
\(\lambda\)
The weight factor in BIC
\(0 \le \lambda \le 1\)
\(d\)
The transitional dimension
\(d \le { \hbox{min} }\left( {m,n} \right)\)