state-machine

I need help designing a finite state machine that accepts binary strings containing as many occurrences of the pattern 01 as occurrences of the pattern 10 . I kinda have a hard time understanding exactly which strings should be accepted and which should be rejected. Any guidance would be welcome. What is the language in question? [...] binary strings containing as many occurrences of the pattern 01 as occurrences of the pattern 10 . I kinda have a hard time understanding exactly which strings should be accepted and which should be rejected. The language defined by your specs is in fact none

A nondeterministic automaton can be simulated easily on an input string by just keeping track of the states the automaton is in, and how far in the input string it has gotten. But how can a nondeterministic transducer (a transducer, of course, can translate input symbols to output symbols, and give as output a string, not just a boolean value) be simulated? It seems that this is more complicated, since we need to keep track, somehow, of the output strings, which can be numerous because of the nondeterminism. First of all, some theory. The following are distinct algebraic structures: generators

I've been using the two awesome gems, state_machine and cancan recently in my rails application but I'm curious as to the best way to integrate them cleanly. Currently I've placed state transitions on buttons that go on actions authorized by the controller. This works perfectly, I can restrict who can perform that action. I would like to give the user the ability to change the objects state in the edit form as well. I've noticed that state_machine will pick up on the state_event key in the hash, with the value of the action to perform (so it will go through all of state_machines callbacks).

I have implemented a complex state machine with numerous state transitions for a safety SIL 4 system. The back bone for this implementation was done using function pointers. When all was sailing smoothly, the V&V opposed the use of function pointers in a SIL 4 system. Reference- Rule 9 NASA .Misra C 2004 however doesnt say that function pointers cant be used. Is there any other way to implement complex state machines without any function pointers? First of all, that NASA document is not canon. Start by asking which law/directive/standard/requirement/document that enforces you to follow the

I've been experimenting with Stateless (HSM in C#) ( https://code.google.com/p/stateless/ ) lately and I've come across something that I'm not really sure how to achieve. Let's say I have the following states: Start. Connect Read Finish What I'm trying to achieve is: when the TCP connection (in the Connect state) is established, advance to the Read state. Or, if it fails, advance to the Finish state (where it may return to the Connect state and attempt a new connection after a timeout period). How can I achieve this auto advancing feature using Stateless, since firing triggers from within the