Construct a pushdown automaton that accepts the following language. In each of the parts, first describe the algorithm performed by your automaton in plain English. Then draw a transition diagram.   L = {#an1#an2# ···#ank# |at least two of the numbers ni are equal}.

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Construct a pushdown automaton that accepts the following language. In each of the
parts, first describe the algorithm performed by your automaton in plain English. Then draw a transition
diagram.

 

L = {#an1#an2# ···#ank# |at least two of the numbers ni are equal}.

(1.b) L = {#a"#a"²#. .· #a"*# | at least two of the numbers n; are
equal}.
%3D
Transcribed Image Text:(1.b) L = {#a"#a"²#. .· #a"*# | at least two of the numbers n; are equal}. %3D
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