Table 1.

Function values of various methods.

Methods	Function values
S(·)	S(A) = S(B) = 0.3
H(·)	H(A) = H(B) = 0.7
M(·)	M(A) = M(B) = 0.2
L(·)	L(A) = L(B) = 0.42
I(·)	I(A) = 0.59, I(B) = 0.62