Productions containing useless symbols from a grammar

Reference no: EM131099210

A ,grammar symbol X is useless if there is no derivation of the form That is. X can [lever appear in the derivation of some sentence.

"a) Write an algorithm 10 eliminate all productions containing useless symbols from a grammar.

b) Apply your algorithm to the grammar

Reference no: EM131099210

Questions Cloud

Why image and perception are so important : Prepare some notes to discuss with your colleagues about why image and perception are so important. Specifically address the following: The current image of the company in the marketplace

What is the horizontal force on the tracks : What is the horizontal force on the tracks?

The corresponding rightmost derivations for abab : We say a grammar is e-free if either it has no e-productions or there is exactly one e-production S -+ E and then the start symbol S does not appear on the right side of any production.

What is ethics and why is important in professional practice : SCS278 Ethics and Professional Practice Assignment. What is ethics and why is it important in professional practice? What is an ethical dilemma (ED) & why is focusing on EDs in practice crucial

Productions containing useless symbols from a grammar : A ,grammar symbol X is useless if there is no derivation of the form That is. X can [lever appear in the derivation of some sentence.

What is the company wacc : What is the company's WACC? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.)

Firing occur to attain escape with a minimum value of dv : should the firing occur to attain escape with a minimum value of ΔV?

Productions containing useless symbols from a grammar : A ,grammar symbol X is useless if there is no derivation of the form That is. X can [lever appear in the derivation of some sentence.

Manage risk and change risk exposure : Should firms hedge? A number of firms practice hedging and use derivatives to manage risk and change risk exposure. Some people argue firms should stick with their core business (i.e airlines should concentrate and on operating airlines).

User Account

All Pages