同桥大学 TONGJI UNIVERSITY Stable and unstable states The circle indicate the stable state. OUn-circled states are not stable,which means state transition could take place o The state transition will continue until the system reaches a stable state.Stable and unstable states ⚫The circle indicate the stable state. ⚫Un-circled states are not stable, which means state transition could take place ⚫The state transition will continue until the system reaches a stable state