In you please help me with this question because I am struggling and I don't know how to do this problem. I have done this problem multiple times and I keep getting the wrong answer. Can you please help me how to answer this question correctly. I only need help with question 2.5 but you need question 2.4 part B to answer 2.5 and can you show pictures or something visually to help me understand and can you do it step by step. I have attached my answer and it keeps saying the reason why it is incorrect is because "Incorrect: the string "0" is an example" here is the question that i need help with: 2.5 Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4. 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}

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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In you please help me with this question because I am struggling and I don't know how to do this problem. I have done this problem multiple times and I keep getting the wrong answer. Can you please help me how to answer this question correctly. I only need help with question 2.5 but you need question 2.4 part B to answer 2.5 and can you show pictures or something visually to help me understand and can you do it step by step.

I have attached my answer and it keeps saying the reason why it is incorrect is because "Incorrect: the string "0" is an example"

here is the question that i need help with:
2.5 Give informal descriptions and state diagrams of pushdown automata for the languages in Exercise 2.4.

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}

сь
З
roo
Y YO
1.A:A
Ib
Y YO
VVL
оло
1.1
ob
Х
Transcribed Image Text:сь З roo Y YO 1.A:A Ib Y YO VVL оло 1.1 ob Х
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