第四章7 解:(c):S=( S1, S2, S3, S4, S5, S6, S7)Rb= (S2 , S3 ),( S2 , S4 ), ( S3 , S1 ), ( S3 , S4 ), ( S3 , S5 ) , ( S3 , S6 ), (S3, S7) ,(S4, S1) , ( S5 , S3 ) , ( S7, S4 ), (S7, S6) =(A+I)2 8、根据下图建立系统的可达矩阵VVAAAVVAVVVAVV(A)AV(V)VVVAV(V)V 解:9、(2)解:法律规范方法:1、 区域划分SiR(Si)A(Si)C(Si)E (Si)B (Si)11,2,41,311221,2,3,4,5,6,72231,2,3,433342,41,2,3,4,5,6,7452,4,55,6,7562,4,5,6,7,866672,4,5,7,86,77P1P2P3P4P5P6P7P8P9886,7,888因为 B(S)={3,6}所以设 B 中元素 Bu=3、Bv=6R(3)={ 1,2,3,4}、R(6)={ 2,4,5,6,7,8} R(3)∩R(6)={ 1,2、3,4} ∩ {2,4,5,6,7,8} ≠φ,故区域不可分解2 级位划分SiR(Si)A(Si)C(Si)C(Si)= R(Si)11,2,41,311221,2,3,4,5,6,72231,2,3,433342,41,2,3,4,5,6,74452,4,55,6,75562,4,5,6,7,866772,4,5,7,86,77886,7,88将满足 C=R 的元素 2,8 挑出作为第 1 级将满足 C=R 的元素 4 挑出作为第 2 级将满足 C=R 的元素 1,5 挑出作为第 3 级将满足 C=R 的元素 3,7 挑出作为第 4 级将满足 C=R 的元素 6 挑出作为第 5 级将 M 按分级排列: