1、第三章第三章系統(tǒng)模型與模型化系統(tǒng)模型與模型化21.給定描述系統(tǒng)基本結(jié)構(gòu)的有向圖,如圖316a、b所示。要求:(1)寫出系統(tǒng)要素集合及上的二元關(guān)系集合。SSbR(2)建立鄰接矩陣、可達(dá)矩陣及縮減矩陣。AMM?解:(2)316a:規(guī)范方法:,,?????????????????0111000000010000010010010A?????????????????1111001000011000111011111MMM??①區(qū)域劃分iS)(i
2、SR)(iSA)(iSC)(iSE11,2,3,4,51122,3,41,2,5233,41,2,3,53441,2,3,4,54452,3,4,51,55所以系統(tǒng)無(wú)法劃分為兩個(gè)或兩個(gè)以上相互獨(dú)立的區(qū)域,即。54321)(???PS?????????????????11110010000110001110111115432154321)(PM②級(jí)位劃分要素集合iS)(iSR)(iSA)(iSC)(iSE)(2P?112345112234
3、1252334123534412345440LP?5234515541?L1123511223125210LLP??3312353332?L316b:規(guī)范方法:,?????????????????????000000000011100010000000001000010100A?????????????????????100000111111101010000100101010111111M①區(qū)域劃分iS)(iSR)(iSA)(iSC)
4、(iSE1123456151522461245243313533424612452451234561515661245666??????5165421531)()(63SASA所以系統(tǒng)無(wú)法劃分為兩個(gè)或兩個(gè)以上相互獨(dú)立的區(qū)域,即。654321)(???PS?????????????????????100000111111101010000100101010111111654321654321)(PM②級(jí)位劃分要素集合iS)(iSR)(iS