Stateflow chart without states

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John F
John F 2011-9-16
I have seen examples before of using a state chart without states to implement logical expressions. I tried doing this recently, and I got warnings that none of my assignments would be executed because the actions did not end in states. Why would that be?

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回答（2 个）

Fangjun Jiang
Fangjun Jiang 2011-9-16
You need to have a destination for the transition. Use the Junction if you don't have any State.
  2 个评论
John F
John F 2011-9-16
I have a junction at the end.
I don't have any states in the diagram. I'm just using transitions to do logic. Does that make a difference?
Fangjun Jiang
Fangjun Jiang 2011-9-16
No. We do flow chart logic all the time using Stateflow. What version of MATLAB are you using? Did the result come out correct? Maybe it's just a friendly warning.

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Wilfred
Wilfred 2011-10-4
AFAIK, "state charts" with just junctions and transitions , and no states, can only be defined within a graphical function. Search the user manual for "graphical function" and you'll see the examples.
  1 个评论
Fangjun Jiang
Fangjun Jiang 2011-10-4
It is not true. A state chart can have just junctions and transitions.

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