In 2005 the new source of inexhaustible ecological clean and powerful energy is invented. This new
converter of natural gravitational energy makes it possible, at negligible cost, to generate any commercial
quantity of ecological clean electricity without dependence on a weather and climate continuously
many years. The converter is capable of replacing heat & power and nuclear power station. This device
has been successfully tested and it is ready to introduction in industry. In ninth number of this
magazine it has been told about this invention. This article of magazine contains some basic formulas
and new experimental results.
This document discusses the four seasons of the year - spring, summer, autumn and winter. It lists each season in order and notes that there are four distinct seasons in a year. The document provides a high-level overview of the four seasons without going into detail about each one.
Un mensaje de Navidad desea que la persona tenga la mejor Navidad de su vida junto a su familia, que sus deseos se hagan realidad y que Dios esté presente con la persona todos los días en el próximo año.
In 2005 the new source of inexhaustible ecological clean and powerful energy is invented. This new
converter of natural gravitational energy makes it possible, at negligible cost, to generate any commercial
quantity of ecological clean electricity without dependence on a weather and climate continuously
many years. The converter is capable of replacing heat & power and nuclear power station. This device
has been successfully tested and it is ready to introduction in industry. In ninth number of this
magazine it has been told about this invention. This article of magazine contains some basic formulas
and new experimental results.
This document discusses the four seasons of the year - spring, summer, autumn and winter. It lists each season in order and notes that there are four distinct seasons in a year. The document provides a high-level overview of the four seasons without going into detail about each one.
Un mensaje de Navidad desea que la persona tenga la mejor Navidad de su vida junto a su familia, que sus deseos se hagan realidad y que Dios esté presente con la persona todos los días en el próximo año.
O documento resume um relatório sobre eventos realizados pela FEJEMG. Ele apresenta: 1) Avaliações positivas de 80% dos eventos como efetivos e de acordo com o planejado; 2) Pontos a melhorar como abordagem de públicos-alvo e disponibilidade dos membros; 3) Benefícios como fortalecimento da marca e contatos com parceiros.
Ficha internet ruben guerreiro nº25, rui apariçio nº26nonoano_terceira
O documento apresenta uma introdução sobre a Internet, definindo-a como uma rede de computadores de escala mundial para troca de informação. Explica que a primeira rede de computadores foi a ARPANET em 1969, com o objetivo de conectar pontos estratégicos. Fornece exemplos de atividades na Internet como conversar online, compras, música, vídeos e buscas, além de definir termos como Internet, domínios e fornecedores de acesso.
Este álbum de fotografías contiene imágenes de varios eventos familiares importantes del último año, incluidas vacaciones, cumpleaños y reuniones. Las fotos muestran a los miembros de la familia disfrutando de tiempo juntos y creando recuerdos durante estos momentos especiales. El álbum servirá para recordar y atesorar los recuerdos de este año.
Este documento anuncia un partido amistoso de rugby que se llevará a cabo entre las selecciones de la Comunidad Valenciana y Madrid. Se celebrará el 6 de diciembre en Cullera y lista a los 30 jugadores convocados de diferentes clubes valencianos, con sus posiciones y datos de contacto del seleccionador.
Cliniche Vitaldent Varese: ortodonzia e bimbiVitaldentItalia
Fattori ereditari, perdita dei denti e cattive abitudini come succhiarsi il dito possono far sí che i denti del bambino crescano male allineati o troppo vicino l’uno all’altro.
The document discusses concurrency and synchronization in distributed computing. It provides an overview of Petr Kuznetsov's research at Telecom ParisTech, which includes algorithms and models for distributed systems. Some key points discussed are:
- Concurrency is important due to multi-core processors and distributed systems being everywhere. However, synchronization between concurrent processes introduces challenges.
- Common synchronization problems include mutual exclusion, readers-writers problems, and producer-consumer problems. Tools for synchronization include semaphores, transactional memory, and non-blocking algorithms.
- Characterizing distributed computing models and determining what problems can be solved in a given model is an important area of research, with implications for distributed system design.
The document discusses weakly supervised learning from video and images using convolutional neural networks. It describes using scripts as weak supervision for learning actions from movies without explicit labeling. Methods are presented for jointly learning actors and actions from scripts, and for action learning with ordering constraints. The use of CNNs for object and action recognition in images is also summarized, including work on training CNNs using only image-level labels without bounding boxes.
This document discusses common C++ bugs and tools to find them. It describes various types of memory access bugs like buffer overflows on the stack, heap, and globals that can lead to crashes or security vulnerabilities. Threading bugs like data races, deadlocks, and race conditions on object destruction are also covered. Other undefined behaviors like initialization order issues, lack of sequence points, and integer overflows are explained. The document provides examples of each type of bug and emphasizes that undefined behavior does not guarantee a predictable result. It concludes with a quiz to find bugs in a code sample and links to additional reading materials.
AddressSanitizer, ThreadSanitizer, and MemorySanitizer are compiler-based tools that detect bugs like buffer overflows, data races, and uninitialized memory reads in C/C++ programs. AddressSanitizer instruments loads and stores to detect out-of-bounds memory accesses. ThreadSanitizer intercepts synchronization calls to detect data races between threads. MemorySanitizer tracks initialized and uninitialized memory using shadow memory to find uses of uninitialized values. The tools have found thousands of bugs with low overhead. Future work includes supporting more platforms and languages and detecting additional bug classes.
This document discusses common C++ bugs and tools to find them. It describes various types of memory access bugs like buffer overflows on the stack, heap, and globals that can lead to crashes or security vulnerabilities. Threading bugs like data races, deadlocks, and race conditions on object destruction are also covered. Other undefined behaviors like initialization order issues, lack of sequence points, and integer overflows are explained. The document provides examples of each type of bug and quizzes the reader to find bugs in a code sample. It recommends resources for further reading on debugging techniques and thread sanitizers that can detect races and data races.
This document provides examples and snippets of code for MapReduce, Pig, Hive, Spark, Shark, and Disco frameworks. It also includes two sections of references for related papers and Disco documentation. The examples demonstrate basic MapReduce jobs with drivers, mappers, and reducers in Java, Pig and Hive queries, Spark and Shark table operations, and a Disco MapReduce job.
4. DPLL àëãîðèòì ñ îòñå÷åíèåì
A âûáèðàåò ïåðåìåííóþ äëÿ ðàñùåïëåíèÿ
B âûáèðàåò ïåðâîå ïðèñâàèâàåìîå ýòîé ïåðåìåííîé
çíà÷åíèå
C îáðåçàåò âåòâè äåðåâà ðàñùåïëåíèÿ
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
5. DPLL àëãîðèòì ñ îòñå÷åíèåì
Âõîä: Φ ôîðìóëà â ÊÍÔ.
if Φ íå ñîäåðæèò íè îäíîãî äèçúþíêòà then return 1
end if
if Φ ñîäåðæèò ïóñòîé äèçúþíêò then return 0
end if
x ← A(Φ)
c ← B(Φ, x)
if C(Φ, x, c) = 1 then
if DA,B,C (Φ[x := c]) = 1 then return 1
end if
end if
if C(Φ, x, 1 − c) = 1 then
if DA,B,C (Φ[x := 1 − c]) = 1 then return 1
end if
end if
return 0
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
6. Îáçîð òåìû
Dmitry Itsykson and Dmitry Sokolov Lower bounds for myopic
DPLL algorithms with a cut heuristic.
Áëèçîðóêàÿ ïðîöåäóðà èìåþùàÿ äîñòóï ê ôîðìóëå ñ
óäàëåííûìè ñèìâîëàìè îòðèöàíèÿ.
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
7. Îáçîð òåìû
Òåîðåìà
Ñóùåñòâóåò àëãîðèòì, ñòðîÿùèé çà ïîëèíîìèàëüíîå îò n âðåìÿ
íåâûïîëíèìóþ ôîðìóëó Φ(n). Ñóùåñòâóåò δ 0, ò.÷. äëÿ ëþáûõ
áëèçîðóêèõ ïîëèíîìèàëüíûõ A è C ñóùåñòâóåò ñåìåéñòâî
ðàñïðåäåëåíèé Rn íà âûïîëíèìûõ ôîðìóëàõ, òàêîå ÷òî
åñëè äëÿ íåê. B è ε 0
Prφ←Rn [DA,B,C (φ) = 1] ≥ 1 − ε,
òî âðåìÿ ðàáîòû DA,B,C(Φ) íå ìåíåå (1 − ε)2N , ãäå
N = min{nδ , r /K } è r = Ω(n). Ïðè ýòîì òàêîå ñåìåéñòâî
ðàñïðåäåëåíèé ìîæíî ïîñòðîèòü çà ïîëèíîìèàëüíîå âðåìÿ.
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
8. Íàøè ýâðèñòèêè
A äåòåðìèíèðîâàííàÿ
B âûáèðàåò 0 èëè 1 ñ ðàâíîé âåðîÿòíîñòüþ
C îáðåçàåò ðåáðî óðîâíÿ s ñ âåðîÿòíîñòüþ q(s).
(ïüÿíàÿ ýâðèñòèêà)
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
23. Ñëó÷àé ñ èñïîëüçîâàíèåì óïðîùåíèé
Ïóñòü òåïåðü DA,B,C èñïîëüçóåò ïðàâèëî åäèíè÷íûõ
äèçúþíêòîâ.
Ïîñòðîèì DA ,B,C , íå èñïîëüçóþùèé ïðàâèë óïðîùåíèÿ.
T T
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
24. Ïðåîáðàçóåì äåðåâî...
Ñíîâà îñòàâëÿåì òîëüêî âåðøèíû ñ ëîêàëüíî êîððåêòíûìè
ïîäñòàíîâêàìè.
T T
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì
25. Äëèíà ïðàâèëüíîãî ïóòè
Ëåììà
Ïóñòü L äëèíà ïðàâèëüíîãî ïóòè â T . Òîãäà L ≥ r /4 − 2.
T T
Îáðåæåì âñå âåòâè T ïî óðîâíþ L.
Åëåíà Èêîííèêîâà Âåðîÿòíîñòíûå DPLL àëãîðèòìû ñ îòñå÷åíèåì