Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4. question for 2.4 that you will need for 2.5 2.4 Give context-free grammars that generate the following languages. In all parts, the alphabet Σ is {0,1}. b. {w| w starts and ends with the same symbol}

Programming Logic & Design Comprehensive
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ISBN:9781337669405
Author:FARRELL
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Chapter4: Making Decisions
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Hello, I am really struggling with section 2.5 part B, I have tried the problem multiple times and I don't know why I keep getting it incorrect. For you to answer 2.5 part B you need the question for 2.4.

This problem is pushdown automata which can you show a visual representation of how you did the pushdown automata to get your answer.

I have attached the incorrect answer that I got for this problem can you please help me to figure out why this problem is incorrect. Again I only need help with question 2.5 part B.

question for 2.5

2.5 Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4.

question for 2.4 that you will need for 2.5

2.4 Give context-free grammars that generate the following languages. In all parts, the alphabet Σ is {0,1}.

b. {w| w starts and ends with the same symbol}

3-3'0
1, ε π ε
'b
0, ε → 0
1, ε→ 1
0, ε π ε
1, ε π ε
0,0 - €
1,1 %
q,
Transcribed Image Text:3-3'0 1, ε π ε 'b 0, ε → 0 1, ε→ 1 0, ε π ε 1, ε π ε 0,0 - € 1,1 % q,
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