State minimization & symbolic state table

• Minimize number of states

  • Reuse states where possible

present inputs next presentstate D N state output 0¢ 0 0 0¢ 0 0 1 5¢ 0 1 0 10¢ 0 1 1 – – 5¢ 0 0 5¢ 0 0 1 10¢ 0 1 0 15¢ 0 1 1 – –10¢ 0 0 10¢ 0 0 1 15¢ 0 1 0 15¢ 0 1 1 – –15¢ – – 15¢ 1

• Symbolic state-transition table

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