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
April 22, 2025
Apr. 16, 2025 — According to new research next-generation DNA sequencing (NGS) -- the same technology which is powering the development of tailor-made medicines, cancer diagnostics, infectious disease tracking, and gene research -- could become a prime target for ...
Apr. 9, 2025 — A hopping, insect-sized robot can jump over gaps or obstacles, traverse rough, slippery, or slanted surfaces, and perform aerial acrobatic maneuvers, while using a fraction of the energy required for flying ...
Apr. 7, 2025 — A web platform uses a chatbot to enable any chemist -- including undergraduate chemistry majors -- to configure and execute complex quantum mechanical simulations through ...
Apr. 2, 2025 — Smaller than a grain of rice, new pacemaker is particularly suited to the small, fragile hearts of newborn babies with congenital heart defects. Tiny pacemaker is paired with a small, soft, flexible wearable patch that sits on the patient's chest. ...
Latest Headlines
updated 12:56 pm ET
Apr. 22, 2025 — With the assumption that students are going to use artificial intelligence and large language models such as ChatGPT to do their homework, researchers set out to learn how well the free version of ...
Apr. 22, 2025 — Researchers have developed a new artificial intelligence (AI) technique that brings machine vision closer to how the human brain processes images. Called Lp-Convolution, this method improves the ...
Apr. 22, 2025 — Researchers have developed a new robotic framework powered by artificial intelligence -- called RHyME (Retrieval for Hybrid Imitation under Mismatched Execution) -- that allows robots to learn tasks ...
Apr. 21, 2025 — Working memory is like a mental chalkboard we use to store temporary information while executing other tasks. Scientists worked with more than 200 ...
Apr. 17, 2025 — Researchers have demonstrated a significant performance increase in cooling technology for high-power electronic devices. They designed novel ...
Apr. 21, 2025 — Researchers observe over a dozen never-before-seen quantum states in a unique quantum ...
Apr. 21, 2025 — Saying one thing while feeling another is part of being human, but bottling up emotions can have serious psychological consequences like anxiety or panic attacks. To help health care providers tell ...
Apr. 18, 2025 — A new study by biomedical engineers and neuroscientists shows that the brain's visual regions play an active role in making sense of ...
Apr. 18, 2025 — A team of researchers has developed a new way to control light interactions using a specially engineered structure called a 3D photonic-crystal ...
Apr. 18, 2025 — Sticking to an exercise routine is a challenge many people face. But a research team is using machine learning to uncover what keeps individuals committed to their ...