2 votes 2 votes $\sum = \left \{ a,b \right \}$ All strings with exactly two a's and more than one b. I did in the following way : Please verify if further minimization possible.Or any other method ??? Theory of Computation theory-of-computation finite-automata minimal-state-automata + – dd asked Dec 12, 2016 dd 819 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments dd commented Dec 12, 2016 reply Follow Share green accept : :) :)..red :: reject ..actually I started with mnemonic states.....when completed I posted the image..later I figure out that..it;s a grid machine :) 1 votes 1 votes Habibkhan commented Dec 12, 2016 reply Follow Share Yes it is fine..It is a standard example of grid dfa.. 0 votes 0 votes pC commented Dec 12, 2016 reply Follow Share Cant believe you are from ME background :D 0 votes 0 votes Please log in or register to add a comment.