A={1,2,3,4,5}R={(1,1),(1,4),(2,5),(2,3),(3,1),(3,5),(3,4),(4,2)}
wij(k)={wik(k−1)∨wkj(k−1),ifwkj(k−1)=1wij(k−1),ifwik(k−1)=0}
W0=1−2−3−4−5−1−101002−000103−010004−101005−01100
Find W1
W1=1−2−3−4−5−1−101002−000103−010004−101005−01100
W2=1−2−3−4−5−1−101002−000103−010104−101005−01110
W3=1−2−3−4−5−1−111102−000103−010104−111105−01110
W4=1−2−3−4−5−1−111102−111103−111104−111105−11110
W4=W5
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