VIDEOS 1 TO 50

Algorithms || P vs NP || Deterministic and Non Deterministic || Part-2

Published: 2015/04/16

Channel: InnovateHub .in

Deterministic algorithm

Published: 2016/01/22

Channel: WikiAudio

Median Selection Algorithm (Part #5 - Deterministic Solutions)

Published: 2016/01/25

Channel: Course Grinder

Nondeterministic algorithm

Published: 2016/01/22

Channel: WikiAudio

Non-deterministic Polynomial Time Decidable Problem - Intro to Algorithms

Published: 2015/02/23

Channel: Udacity

Deterministic algorithms

Published: 2010/07/25

Channel: EW926

Deterministic Selection - Algorithm | Algorithm

Published: 2014/07/13

Channel: Free Engineering Lectures

Deterministic Finite Automata ( DFA ) with (Type 1: Strings ending with)Examples

Published: 2015/06/09

Channel: The BootStrappers

Mario - Determinism vs. Nondeterminism

Published: 2010/05/04

Channel: RadiantShadows

Algorithms } 006 } Randomized algorithms }

Published: 2015/09/08

Channel: Leprofesseur }

Algorithms - Deterministic Selection Algorithm

Published: 2017/10/11

Channel: intrigano

Deterministic Selection - Analysis - 1 | Algorithm

Published: 2014/07/13

Channel: Free Engineering Lectures

Deterministic Ethernet (Part 1)

Published: 2010/04/07

Channel: TTEthernetNetworking

P versus NP problem Explained !

Published: 2015/06/06

Channel: Khalid Oubelque

Shafi Goldwasser: Pseudo Deterministic Algorithms

Published: 2012/08/24

Channel: princetonacademics

Probabilistic Analysis: Randomized Algorithms

Published: 2015/10/22

Channel: Himmat Yadav

Improved Deterministic Algorithms for Sparse Max-SAT

Published: 2015/11/10

Channel: Simons Institute

Randomized versus Deterministic Algorithm for a Simple Algebra Problem

Published: 2014/08/23

Channel: algomanic

New Pseudo-deterministic Algorithms - Shafi Goldwasser

Published: 2016/10/12

Channel: Institute for Advanced Study

Nearly Optimal Deterministic Algorithms Via M-Ellipsoids - Santosh Vempala

Published: 2016/08/30

Channel: Institute for Advanced Study

Non-deterministic algorithms

Published: 2010/07/25

Channel: EW926

8 3 Deterministic Selection Algorithm Advanced Optional 17 min

Published: 2017/01/27

Channel: Stanford Algorithms

Lecture 6/65: Nondeterministic Finite State Machines: Formal Definition

Published: 2015/01/23

Channel: hhp3

conversion of non deterministic to deterministic grammer

Published: 2017/02/13

Channel: shiraz hussain

8 - 3 - Deterministic Selection - Algorithm -Design and Analysis of Algorithmes I-Tim Roughrarden

Published: 2012/04/21

Channel: OpenCourseOnline

PACMAN trained with NON-deterministic Q-Learning Algorithm

Published: 2012/01/29

Channel: omotto

Non-deterministic Finite Automata

Published: 2016/12/24

Channel: Neso Academy

L10: Equivalence of Non-Deterministic and Deterministic TMs

Published: 2012/12/13

Channel: UCDavis

How To Convert Non Deterministic Grammar Into Deterministic Grammar |WHAT? WHY? HOW?

Published: 2017/02/24

Channel: VARUN TANEJA

Lecture 5/65: Nondeterministic Finite State Machines: Introduction

Published: 2015/01/23

Channel: hhp3

Algorithms - Deterministic Selection Analysis I

Published: 2017/10/11

Channel: intrigano

FTT Algorithm - Deterministic movement

Published: 2013/07/25

Channel: Moshe Israel

Mod-02 Lec-09 NON-DETERMINISTIC FSA

Published: 2011/10/05

Channel: nptelhrd

Non-deterministic Meaning

Published: 2015/04/30

Channel: ADictionary

Lecture 7/65: Equivalence of Deterministic and Nondeterministic FSMs

Published: 2015/01/23

Channel: hhp3

Median Selection Algorithm (Part #5 - Deterministic Solutions)

Published: 2017/02/10

Channel: Michael Nielson

Deterministic Finite Automata (Example -1)

Published: 2016/12/18

Channel: Neso Academy

Ankit Garg: A deterministic poly time algorithm for rational identity testing

Published: 2016/03/16

Channel: WACT 2016

P and NP Class Problem and Polynomial Time Solvable (English+Hindi)

Published: 2016/11/04

Channel: University Academy- Formerly-IP University CSE/IT

Building A Non-Deterministic Ram - Intro to Theoretical Computer Science

Published: 2015/02/23

Channel: Udacity

Non-deterministic Finite Automata and converting Regular Expressions to NFA

Published: 2014/05/27

Channel: Unacademy

Deterministic Selection - Analysis - 2 | Algorithm

Published: 2014/07/13

Channel: Free Engineering Lectures

Simulating A Non-Deterministic Ram - Intro to Theoretical Computer Science

Published: 2015/02/23

Channel: Udacity

Finite State Machine (Finite Automata)

Published: 2016/12/23

Channel: Neso Academy

Building A Non-Deterministic Ram - Intro to Theoretical Computer Science

Published: 2015/02/23

Channel: Udacity

Download Observability Properties and Deterministic Algorithms in Visual Inertial Structure from Mot

Published: 2017/03/03

Channel: Jessica Pritchard

Deterministic Selection Algorithm Advanced Optional 3

Published: 2017/10/04

Channel: Anas Alkhatib

Algorithms - Deterministic Selection Analysis II

Published: 2017/10/11

Channel: intrigano

Deterministic Data in Mobile Changes Everything @ IDMA 2017, Mumbai

Published: 2017/07/05

Channel: zeotap

Observability Properties and Deterministic Algorithms in Visual Inertial Structure from Motion Found

Published: 2017/04/30

Channel: terdi ekhsan

In computer science, a **deterministic algorithm** is an algorithm which, given a particular input, will always produce the same output, with the underlying machine always passing through the same sequence of states. Deterministic algorithms are by far the most studied and familiar kind of algorithm, as well as one of the most practical, since they can be run on real machines efficiently.

Formally, a deterministic algorithm computes a mathematical function; a function has a unique value for any input in its domain, and the algorithm is a process that produces this particular value as output.

Deterministic algorithms can be defined in terms of a state machine: a *state* describes what a machine is doing at a particular instant in time. State machines pass in a discrete manner from one state to another. Just after we enter the input, the machine is in its *initial state* or *start state*. If the machine is deterministic, this means that from this point onwards, its current state determines what its next state will be; its course through the set of states is predetermined. Note that a machine can be deterministic and still never stop or finish, and therefore fail to deliver a result.

Examples of particular abstract machines which are deterministic include the deterministic Turing machine and deterministic finite automaton.

A variety of factors can cause an algorithm to behave in a way which is not deterministic, or non-deterministic:

- If it uses external state other than the input, such as user input, a global variable, a hardware timer value, a random value, or stored disk data.
- If it operates in a way that is timing-sensitive, for example if it has multiple processors writing to the same data at the same time. In this case, the precise order in which each processor writes its data will affect the result.
- If a hardware error causes its state to change in an unexpected way.

Although real programs are rarely purely deterministic, it is easier for humans as well as other programs to reason about programs that are. For this reason, most programming languages and especially functional programming languages make an effort to prevent the above events from happening except under controlled conditions.

The prevalence of multi-core processors has resulted in a surge of interest in determinism in parallel programming and challenges of non-determinism have been well documented.^{[1]}^{[2]} A number of tools to help deal with the challenges have been proposed^{[3]}^{[4]}^{[5]}^{[6]} to deal with deadlocks and race conditions.

It is advantageous, in some cases, for a program to exhibit nondeterministic behavior. The behavior of a card shuffling program used in a game of blackjack, for example, should not be predictable by players — even if the source code of the program is visible. The use of a pseudorandom number generator is often not sufficient to ensure that players are unable to predict the outcome of a shuffle. A clever gambler might guess precisely the numbers the generator will choose and so determine the entire contents of the deck ahead of time, allowing him to cheat; for example, the Software Security Group at Reliable Software Technologies was able to do this for an implementation of Texas Hold 'em Poker that is distributed by ASF Software, Inc, allowing them to consistently predict the outcome of hands ahead of time.^{[7]} These problems can be avoided, in part, through the use of a cryptographically secure pseudo-random number generator, but it is still necessary for an unpredictable random seed to be used to initialize the generator. For this purpose a source of nondeterminism is required, such as that provided by a hardware random number generator.

Note that a negative answer to the P=NP problem would not imply that programs with nondeterministic output are theoretically more powerful than those with deterministic output. The complexity class NP (complexity) can be defined without any reference to nondeterminism using the verifier-based definition.

This logic-functional programming language establish different determinism categories for predicate modes as explained in the ref.^{[8]}^{[9]}

Haskell provides several mechanisms:

- non-determinism or notion of Fail

- the
*Maybe*and*Either*types include the notion of success in the result. - the
*fail*method of the class Monad, may be used to signal*fail*as exception. - the Maybe monad and MaybeT monad transformer provide for failed computations (stop the computation sequence and return Nothing)
^{[10]}

- determinism/non-det with multiple solutions
- you may retrieve all possible outcomes of a multiple result computation, by wrapping its result type in a MonadPlus monad. (its method
*mzero*makes an outcome fail and*mplus*collects the successful results).^{[11]}

As seen in Standard ML, OCaml and Scala

- The
*option*type includes the notion of success.

- The
*null*reference value may represent an unsuccessful (out-of-domain) result.

**^**Edward A. Lee. "The Problem with Threads" (PDF). Retrieved 2009-05-29.**^**Bocchino Jr., Robert L.; Adve, Vikram S.; Adve, Sarita V.; Snir, Marc (2009).*Parallel Programming Must Be Deterministic by Default*. USENIX Workshop on Hot Topics in Parallelism.**^**"Intel Parallel Inspector Thread Checker". Retrieved 2009-05-29.**^**Yuan Lin. "Data Race and Deadlock Detection with Sun Studio Thread Analyzer" (PDF). Retrieved 2009-05-29.**^**Intel. "Intel Parallel Inspector". Retrieved 2009-05-29.**^**David Worthington. "Intel addresses development life cycle with Parallel Studio". Retrieved 2009-05-26.**^**Gary McGraw and John Viega. Make your software behave: Playing the numbers: How to cheat in online gambling. http://www.ibm.com/developerworks/library/s-playing/#h4**^**Determinism categories in the Mercury programming language**^**Mercury predicate modes**^**Representing failure using the Maybe monad**^**The class MonadPlus

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