cott Example for uncertainty 1)p(x=1,p(x)=0, i>1. The uncertainty is 0 2)p(xi)=-,i=l,,n. The uncertainty is Maxium 3Uncertainty= Information )=∑ pi logb p,b>0 i=1 8 復大软件学院8 Example for uncertainty • 1) • 2) • 3) Uncertainty = Information p(x1 ) 1, p(xi )  0,i 1.The uncertainty is 0 , 1, , . The uncertainty is Maxium 1 p( ) i n n xi        n i p pn pi b pi b 1 Hb ( 1 ,, ) log , 0