σ share F it ′ (I i )= F it(I i ) ∑ μ j=1 sh(d(I i ,I j )) F it ′ (I i ) F it(I i ) μ sh(d) d(I i ,I j ) I i I j sh(d)=  1 - (d/σ share ) α d<σ share 0 σ share α α σ share x ∈ [0, 1] F 1 (x) = sin 6 (5.1πx +0.5) F 2 (x) = sin 6 (5.1πx +0.5) · e (−4 ln(2) (x-0.1) 2 0.8 2 ) F 1 (x) F 1 (x) F 2 (x)