COMPUTER SCIENCE:OVERVIEW-TEXT
COMPUTER SCIENCE:OVERVIEW-TEXT
12th Edition
ISBN: 2810015047178
Author: BROOKSHEAR
Publisher: PEARSON
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Chapter 10, Problem 18CRP

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Procedural Modeling:

  • For complex shapes, realistic models cannot be obtained by geometric modeling or manual digitizing.
  • Examples of complex shapes are intricate plant structures such as trees, complex terrain such as mountain ranges, and gaseous substances such as clouds, smoke, or the flames of a fire.
  • For above complex shapes, polygonal meshes can be obtained by writing programs that construct the desired shape automatically. Such programs are collectively known as Procedural Models.
  • A procedural model is a program unit that applies an algorithm to generate a desired structure.

The two types of procedure models are:

  • Particle systems:
    • In this method, the underlying structure of an object is simulated as large collection of particles...

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3) Find CFGs that for these regular languages over the alphabet Σ= {a, b}. Draw a Finite Automata e CFG. 1 COIS-3050H-R-W01-2025WI-COMB Formal anguages & Automata Is that contain the substring aba. (b) The language of all words that have an odd number letters and contains the string bb. (c) The language of all words that begin with the substring ba and contains an odd number of letters. 4) Convert the following FA into a PDA. a a S± b a a Ν Ꮓ
COIS-3050H-R-W01-2025WI-COMB Formal ministic PDA. Are the following words accepted by this Languages & Automata UI MIUSɩ that aTU I ed, indicate which state the PDA is in when the crash occurs. (a) aabbaa (b) aaabab (c) bababa Start (d) aaaabb A Accept Read₁ Push a (e) aaaaaa a b Read, Popi a a,b A Read₂ Accept A Pop₂
5) Eliminate the A-productions from the following CFG: Abc COIS-3050H-R-W01-2025WI-COMB Formal Languages & Automata BAabC C CaA | Bc | A 6) Convert the following CFG into CNF. S→ XYZ XaXbS | a |A YSbS | X | bb Z→ b

Chapter 10 Solutions

COMPUTER SCIENCE:OVERVIEW-TEXT

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