Based on the first picture, give all possible configuration sequences to account forall the choices on string babbba. The answer should look something like the second picture. Construct a PDA for accepting the palindromic language L.Σ = {a,b}L = {ww: w€ {a,b}+} (90,aaabb,z)+(9₁,aabb,az)+(9₁,abb,aaz)+(9₁,bb,aaaz)+(q'₁,b,aaz)+(92,b,az)(922)+(9₂, X, X)ACCEPT+(92,b,aaz)+(92,,az)(9'2,1,Z)X(9'2,1,az)+(92,>,z)+(9/3, X, X)ACCEPT

Σ={a,b} L={WWR : W ∈ {a,b}+}

Answered: Σ = {a,b} L = {ww: w = {a,b}+}

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

Problem 1PE

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Based on the first picture, give all possible configuration sequences to account for
all the choices on string babbba. The answer should look something like the second picture.

Construct a PDA for accepting the palindromic language L.
Σ = {a,b}
L = {ww: w€ {a,b}+}

(90,aaabb,z)
+(9₁,aabb,az)
+(9₁,abb,aaz)
+(9₁,bb,aaaz)
+(q'₁,b,aaz)
+(92,b,az)
(922)
+(9₂, X, X)
ACCEPT
+(92,b,aaz)
+(92,,az)
(9'2,1,Z)
X
(9'2,1,az)
+(92,>,z)
+(9/3, X, X)
ACCEPT

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