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WASHINGTON Mens Air Jordan 12 Retro Dark Grey 130690-005 For Sale , Feb. 2 (Xinhua) -- An international team has shown that quantum computers can analyze relationships within large sets of data faster than classical computers, for a wider array of data types than previously expected.
The study, published on Friday in American journal Physical Review Letters air jordan 12 dark grey mens shoes , proposed a "quantum linear system algorithm" that could conduct quantum computation with application in artificial intelligence (AI) and crunch numbers on problems such as commodities pricing, social networks and chemical structures.
The linear system algorithm, first proposed in 2009 cheap air jordan 12 dark grey mens , works on a large matrix of data and has kick-started research into quantum forms of machine learning, or artificial intelligence.
"There is a lot of computation involved in analyzing the matrix. When it gets beyond say 10,000 by 10 air jordan 12 dark grey suede ,000 entries, it becomes hard for classical computers," explained Zhao Zhikuan air jordan 12 dark grey mens , the paper's corresponding author from Singapore University of Technology and Design.
Zhao also said the previous quantum algorithm of this kind can be applied to a very specific type of problem. This is because the number of computational steps goes up rapidly with the number of elements in the matrix: every doubling of the matrix size increases the length of the calculation eight-fold.
Zhao and his colleague in Singapore, Switzerland and the United Kingdom, present a new algorithm that is faster than both the classical and the previous quantum versions.
It relies on a technique known as quantum singular value estimation and can cope with data not limited to "sparse" ones as required by the previous versions.
There are limited relationships among the elements in sparse data jordan 12 dark grey mens shoes , but it is often not true of real-world data, Zhao said.
For example, a trader might be trying to predict the future price of goods. The matrix may capture historical data about price movements over time and data about features that could be influencing these prices cheap jordan 12 dark grey mens , such as exchange rates.
Then the algorithm calculates how strongly each feature is correlated with another by "inverting" the matrix. This information can then be used to extrapolate into the future.
But to show a real quantum advantage over the classical algorithms will need bigger quantum computers.
Zhao estimates that it still need additional three to five years when they can actually use the hardware to do meaningful quantum computation with application in artificial intelligence.
WUHAN, Jan. 31 (Xinhua) -- Visiting British Prime Minister Theresa May said Wednesday that Britain is eyeing closer cooperation with China in education and culture.
The prime minister made the remarks in Wuhan City, capital of central China's Hubei Province. She arrived in this central Chinese city early Wednesday to start her three-day visit to China. Wuhan is her first stop.
Jiang Chaoliang jordan 12 dark grey suede , secretary of the Hubei Provincial Committee of the Communist Party of China, welcomed May and the British delegation at the elite Wuhan University.
Cooperation in education between Hubei and British organizations has become prominent in China-UK cultural exchanges, said Jiang in a welcome speech. He hoped that Prime Minister May's visit to Wuhan University will open a new chapter in cultural cooperation between Hubei and Britain.
For her part jordan 12 dark grey mens , the prime minister said Britain and China had long cooperated in education and achieved results.
She hoped youth from the two countries will communicate more and cooperate further to build a better future.
Currently, 17 universities of high learning in Hubei have established 27 cooperation programs with 12 British universities.
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