Variable ordering - forward checking, Computer Engineering

Assignment Help:

Variable ordering - Forward checking:

Hence this is different from variable ordering in two important ways as: 

  • Whether this is a dead end when we will end up visiting all the values for this variable anyway then fail-first does not make sense for values. In fact we try and keep our options open as much more as possible but this will help whether there is a solution ahead of us. 
  • Thus unlike the variable ordering heuristics there this heuristic carries an extra cost on top of forward checking this means the reduction in domain sizes of future variables for every assignment of the current variable utilizes to be checked. Therefore it is possible that this kind of value ordering will slow things down. In such a scenario this is what happens for randomly constructed binary CSPs. In fact on occasions however there it can sometimes be a very good idea to employ dynamic value ordering also.

Related Discussions:- Variable ordering - forward checking

What are the defining traits of an object-oriented language, The defining t...

The defining traits of an object-oriented language are: * Encapsulation * Inheritance * Polymorphism

What is a message passing system, Distributed System 1. What is a messa...

Distributed System 1. What is a message passing system? Discuss the desirable features of a message passing system. 2. Discuss the implementation of RPC Mechanism in detail.

How can server communicate with more than one client, Server can interact w...

Server can interact with more than one client with using threading concepts there are java threads which are allocated to each client when he logs in to server, the thread handles

What is the purpose of zero (z) flag and carry (c) flag, What is the purpos...

What is the purpose of zero (z) flag and carry (c) flag? Carry flag holds the carry after addition or the borrow after subtraction. Carry flag also indicates error conditions,

Use of intrinsic functions in fortran, Q. Use of Intrinsic Functions in FOR...

Q. Use of Intrinsic Functions in FORTRAN? HPF initiates some new intrinsic functions also to those defined in F90. The two mainly often used in parallel programming are system

What is a microform, What is a microform? This is the collective term f...

What is a microform? This is the collective term for all micro images kepted on a wide range of microfilm media, like roll film, fiche, aperture cards, strip or jackets.

Overall computing time, Clustering has been existing since the 1980s when i...

Clustering has been existing since the 1980s when it was used in DEC's VMS systems. IBM's SYSLEX is a cluster approach for a mainframe system. Sun Microsystems, Microsoft, and othe

How many types of size categories and data classes are there, How many type...

How many types of size categories and data classes are there? There are five size categories (0-4) and 11 data classes only three of which are suitable for application tables:

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd