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Formal Language & Automata TheoryDesign a push-down automata for accepting the string for the language L = \{WW^R \mid W \in \{a, b\}^*\} by the empty stack as well as final state.20197mFormal Language & Automata TheoryDesign a pushdown automata for accepting the string for the language L = \{WW^R \mid W \in \{a, b\}^*\} by the empty stack as well as final state.20207mFORMAL LANGUAGE & AUTOMATA THEORYDesign an NPDA (empty stack and final state acceptance) for: L = \{\text{palindromes over } \{a,b\}\}20227mFormal Language & Automata TheoryDesign a pushdown automaton for the following context-free grammar: S \to aB \mid bA A \to aS \mid bAA \mid a B \to bS \mid aBB \mid b20207m
PreviousBegin with the grammar: S \to ASB / \epsilon A \to aAS / a B \to SbS / A / bb (i) Eliminate \epsilon-productions. (ii) Eliminate unit productions in the resulting grammar. (iii) Eliminate any useless symbol in the resulting grammar. (iv) Put the resulting grammar into CNF.NextDefine deterministic pushdown automata. Explain with an example.
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