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Petri net: различия между версиями
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'''Petri net''' --- сеть Петри. | '''Petri net''' ---''[[сеть Петри]]''. | ||
A ''' Petri net''' is a finite directed graph with two types of nodes, | A ''' Petri net''' is a finite directed graph with two types of nodes, | ||
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We now define the '''operation''' (or '''execution''') of a Petri net. | We now define the '''operation''' (or '''execution''') of a Petri net. | ||
A transition is '''enabled''' (at a marking) iff all its input places have at least one token. | A transition is '''enabled''' (at a marking) iff all its input places have at least one token. | ||
An enabled | An enabled transition may '''fire''' by removing one token from each of its input places and | ||
adding one token to each of its output places. | adding one token to each of its output places. | ||