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Table 2 Properties of TE change with q

From: Pathological brain detection in MRI scanning by wavelet packet Tsallis entropy and fuzzy support vector machine

Range of q Type Property
<1 Subextensive entropy E q (A + B) < E q (A) + E q (B)
=1 Standard extensive entropy (Shannon entropy) E q (A + B) = E q (A) + E q (B)
>1 Superextensive entropy E q (A + B) > E q (A) + S q (B)