Reference Terms
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Random variable
A random variable is a mathematical function that maps outcomes of random experiments to numbers.
Note: The above text is excerpted from the Wikipedia article "Random variable", which has been released under the GNU Free Documentation License.
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Computers & Math News
November 19, 2024
Nov. 6, 2024 — Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer ...
Oct. 23, 2024 — Researchers have used artificial intelligence to design thousands of new DNA switches that can precisely control the expression of a gene in different cell types. Their new approach opens the possibility of controlling when and where genes are ...
Oct. 17, 2024 — Researchers have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone. Researchers were able to show that the ...
Oct. 9, 2024 — Using peptides and a snippet of the large molecules in plastics, materials scientists have developed materials made of tiny, flexible nano-sized ribbons that can be charged just like a battery to store energy or record digital ...
Latest Headlines
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Nov. 19, 2024 — Researchers have developed a new method of growing organic crystals that can be used for energy-harvesting ...
Nov. 19, 2024 — In order to use remote locations to record and assess the behavior of wildlife and environmental conditions, the GAIA Initiative developed an ...
Nov. 18, 2024 — Researchers have introduced a technique for compressing a large language model's reams of data, which could increase privacy, save energy and lower ...
Nov. 18, 2024 — Researchers have used machine learning and supercomputer simulations to investigate how tiny gold nanoparticles bind to blood proteins. The studies ...
Nov. 18, 2024 — A study has identified strategies for using large language models (LLMs), a type of artificial intelligence (AI), in health systems while maintaining cost efficiency and performance. The findings ...
Nov. 18, 2024 — Humans and animals move with remarkable economy without consciously thinking about it by utilizing the natural oscillation patterns of their bodies. A new tool can now utilize this knowledge for the ...
Nov. 18, 2024 — It turns out gaming is good for you! New research indicates massive multiplayer online gamers learn by gaming and their skills in the workplace are enriched by those seemingly endless hours ...
Nov. 16, 2024 — Quantum-science advances using AI can measure very small surfaces and distances -- opening a world of medical, manufacturing and other ...
Nov. 16, 2024 — Researchers have discovered that in a foraging ant's search for food, it will leave pheromone trails connecting its colony to multiple food sources when they're available, successfully creating the ...
Nov. 14, 2024 — Physical cash not only influences how much we spend but also fosters a profound sense of psychological ownership that digital payments cannot ...